Last saved by: mayranush aslibekyan

Frequencies

Statistics
| gender | race/ethnicity | heart disease
N | Valid | 50 | 50 | 50
| Missing | 1 | 1 | 1

Frequency Table

gender
| Frequency | Percent | Valid Percent | Cumulative Percent
Valid | male | 25 | 49.0 | 50.0 | 50.0
| female | 25 | 49.0 | 50.0 | 100.0
| Total | 50 | 98.0 | 100.0 |
Missing | System | 1 | 2.0 | |
Total | 51 | 100.0 | |

race/ethnicity
| Frequency | Percent | Valid Percent | Cumulative Percent
Valid | white | 16 | 31.4 | 32.0 | 32.0
| blacks | 18 | 35.3 | 36.0 | 68.0
| hispanic | 16 | 31.4 | 32.0 | 100.0
| Total | 50 | 98.0 | 100.0 |
Missing | System | 1 | 2.0 | |
Total | 51 | 100.0 | |

heart disease
| Frequency | Percent | Valid Percent | Cumulative Percent
Valid | no | 25 | 49.0 | 50.0 | 50.0
| yes | 25 | 49.0 | 50.0 | 100.0
| Total | 50 | 98.0 | 100.0 |
Missing | System | 1 | 2.0 | |
Total | 51 | 100.0 | |

Pie Chart

FREQUENCIES VARIABLES=CK AGE CK_normal BMI education
  /STATISTICS=STDDEV MINIMUM MAXIMUM MEAN MEDIAN MODE
  /HISTOGRAM
  /ORDER=ANALYSIS.

Frequencies

Statistics
| creatine kinase level | age in years | CK_normal | body mass Index | years of education
N | Valid | 50 | 50 | 50 | 50 | 50
| Missing | 1 | 1 | 1 | 1 | 1
Mean | 85.20 | 65.96 | 83.8910 | 24.14 | 11.18
Median | 80.50 | 65.00 | 82.9969 | 21.00 | 12.00
Mode | 95 | 65 | 66.44^a | 20 | 12
Std. Deviation | 41.619 | 9.472 | 8.96308 | 6.474 | 3.218
Minimum | 10 | 48 | 66.44 | 17 | 5
Maximum | 203 | 89 | 101.34 | 41 | 18

a. Multiple modes exist. The smallest value is shown

Frequency Table

creatine kinase level
| Frequency | Percent | Valid Percent | Cumulative Percent
Valid | 10 | 1 | 2.0 | 2.0 | 2.0
| 25 | 1 | 2.0 | 2.0 | 4.0
| 32 | 1 | 2.0 | 2.0 | 6.0
| 40 | 2 | 3.9 | 4.0 | 10.0
| 42 | 2 | 3.9 | 4.0 | 14.0
| 43 | 1 | 2.0 | 2.0 | 16.0
| 45 | 1 | 2.0 | 2.0 | 18.0
| 47 | 1 | 2.0 | 2.0 | 20.0
| 48 | 1 | 2.0 | 2.0 | 22.0
| 55 | 1 | 2.0 | 2.0 | 24.0
| 57 | 1 | 2.0 | 2.0 | 26.0
| 58 | 1 | 2.0 | 2.0 | 28.0
| 60 | 2 | 3.9 | 4.0 | 32.0
| 62 | 1 | 2.0 | 2.0 | 34.0
| 64 | 1 | 2.0 | 2.0 | 36.0
| 65 | 1 | 2.0 | 2.0 | 38.0
| 67 | 1 | 2.0 | 2.0 | 40.0
| 68 | 1 | 2.0 | 2.0 | 42.0
| 69 | 1 | 2.0 | 2.0 | 44.0
| 70 | 1 | 2.0 | 2.0 | 46.0
| 78 | 1 | 2.0 | 2.0 | 48.0
| 79 | 1 | 2.0 | 2.0 | 50.0
| 82 | 1 | 2.0 | 2.0 | 52.0
| 83 | 1 | 2.0 | 2.0 | 54.0
| 84 | 1 | 2.0 | 2.0 | 56.0
| 92 | 1 | 2.0 | 2.0 | 58.0
| 93 | 1 | 2.0 | 2.0 | 60.0
| 94 | 1 | 2.0 | 2.0 | 62.0
| 95 | 3 | 5.9 | 6.0 | 68.0
| 100 | 1 | 2.0 | 2.0 | 70.0
| 101 | 1 | 2.0 | 2.0 | 72.0
| 104 | 1 | 2.0 | 2.0 | 74.0
| 110 | 2 | 3.9 | 4.0 | 78.0
| 113 | 1 | 2.0 | 2.0 | 80.0
| 118 | 1 | 2.0 | 2.0 | 82.0
| 119 | 1 | 2.0 | 2.0 | 84.0
| 121 | 1 | 2.0 | 2.0 | 86.0
| 123 | 1 | 2.0 | 2.0 | 88.0
| 139 | 1 | 2.0 | 2.0 | 90.0
| 145 | 1 | 2.0 | 2.0 | 92.0
| 151 | 1 | 2.0 | 2.0 | 94.0
| 163 | 1 | 2.0 | 2.0 | 96.0
| 201 | 1 | 2.0 | 2.0 | 98.0
| 203 | 1 | 2.0 | 2.0 | 100.0
| Total | 50 | 98.0 | 100.0 |
Missing | System | 1 | 2.0 | |
Total | 51 | 100.0 | |

age in years
| Frequency | Percent | Valid Percent | Cumulative Percent
Valid | 48 | 1 | 2.0 | 2.0 | 2.0
| 51 | 2 | 3.9 | 4.0 | 6.0
| 52 | 1 | 2.0 | 2.0 | 8.0
| 54 | 2 | 3.9 | 4.0 | 12.0
| 55 | 2 | 3.9 | 4.0 | 16.0
| 56 | 3 | 5.9 | 6.0 | 22.0
| 59 | 1 | 2.0 | 2.0 | 24.0
| 60 | 1 | 2.0 | 2.0 | 26.0
| 61 | 3 | 5.9 | 6.0 | 32.0
| 62 | 3 | 5.9 | 6.0 | 38.0
| 63 | 2 | 3.9 | 4.0 | 42.0
| 64 | 2 | 3.9 | 4.0 | 46.0
| 65 | 4 | 7.8 | 8.0 | 54.0
| 67 | 3 | 5.9 | 6.0 | 60.0
| 69 | 2 | 3.9 | 4.0 | 64.0
| 70 | 3 | 5.9 | 6.0 | 70.0
| 71 | 2 | 3.9 | 4.0 | 74.0
| 73 | 2 | 3.9 | 4.0 | 78.0
| 74 | 2 | 3.9 | 4.0 | 82.0
| 75 | 1 | 2.0 | 2.0 | 84.0
| 76 | 1 | 2.0 | 2.0 | 86.0
| 77 | 1 | 2.0 | 2.0 | 88.0
| 78 | 1 | 2.0 | 2.0 | 90.0
| 80 | 1 | 2.0 | 2.0 | 92.0
| 81 | 1 | 2.0 | 2.0 | 94.0
| 82 | 1 | 2.0 | 2.0 | 96.0
| 85 | 1 | 2.0 | 2.0 | 98.0
| 89 | 1 | 2.0 | 2.0 | 100.0
| Total | 50 | 98.0 | 100.0 |
Missing | System | 1 | 2.0 | |
Total | 51 | 100.0 | |

CK_normal
| Frequency | Percent | Valid Percent | Cumulative Percent
Valid | 66.44 | 1 | 2.0 | 2.0 | 2.0
| 67.15 | 1 | 2.0 | 2.0 | 4.0
| 67.33 | 1 | 2.0 | 2.0 | 6.0
| 69.76 | 1 | 2.0 | 2.0 | 8.0
| 71.15 | 1 | 2.0 | 2.0 | 10.0
| 72.78 | 1 | 2.0 | 2.0 | 12.0
| 73.40 | 1 | 2.0 | 2.0 | 14.0
| 73.61 | 1 | 2.0 | 2.0 | 16.0
| 75.19 | 1 | 2.0 | 2.0 | 18.0
| 75.90 | 1 | 2.0 | 2.0 | 20.0
| 76.20 | 1 | 2.0 | 2.0 | 22.0
| 76.28 | 1 | 2.0 | 2.0 | 24.0
| 77.20 | 1 | 2.0 | 2.0 | 26.0
| 80.53 | 1 | 2.0 | 2.0 | 28.0
| 81.40 | 1 | 2.0 | 2.0 | 30.0
| 81.60 | 1 | 2.0 | 2.0 | 32.0
| 81.81 | 1 | 2.0 | 2.0 | 34.0
| 81.82 | 1 | 2.0 | 2.0 | 36.0
| 81.83 | 1 | 2.0 | 2.0 | 38.0
| 81.83 | 1 | 2.0 | 2.0 | 40.0
| 81.85 | 1 | 2.0 | 2.0 | 42.0
| 82.19 | 1 | 2.0 | 2.0 | 44.0
| 82.24 | 1 | 2.0 | 2.0 | 46.0
| 82.34 | 1 | 2.0 | 2.0 | 48.0
| 82.86 | 1 | 2.0 | 2.0 | 50.0
| 83.13 | 1 | 2.0 | 2.0 | 52.0
| 84.63 | 1 | 2.0 | 2.0 | 54.0
| 84.66 | 1 | 2.0 | 2.0 | 56.0
| 84.85 | 1 | 2.0 | 2.0 | 58.0
| 84.97 | 1 | 2.0 | 2.0 | 60.0
| 85.14 | 1 | 2.0 | 2.0 | 62.0
| 85.26 | 1 | 2.0 | 2.0 | 64.0
| 85.59 | 1 | 2.0 | 2.0 | 66.0
| 85.66 | 1 | 2.0 | 2.0 | 68.0
| 86.27 | 1 | 2.0 | 2.0 | 70.0
| 88.08 | 1 | 2.0 | 2.0 | 72.0
| 89.00 | 1 | 2.0 | 2.0 | 74.0
| 89.07 | 1 | 2.0 | 2.0 | 76.0
| 90.84 | 1 | 2.0 | 2.0 | 78.0
| 91.95 | 1 | 2.0 | 2.0 | 80.0
| 92.35 | 1 | 2.0 | 2.0 | 82.0
| 93.26 | 1 | 2.0 | 2.0 | 84.0
| 95.13 | 1 | 2.0 | 2.0 | 86.0
| 95.58 | 1 | 2.0 | 2.0 | 88.0
| 96.47 | 1 | 2.0 | 2.0 | 90.0
| 98.55 | 1 | 2.0 | 2.0 | 92.0
| 98.64 | 1 | 2.0 | 2.0 | 94.0
| 99.27 | 1 | 2.0 | 2.0 | 96.0
| 100.17 | 1 | 2.0 | 2.0 | 98.0
| 101.34 | 1 | 2.0 | 2.0 | 100.0
| Total | 50 | 98.0 | 100.0 |
Missing | System | 1 | 2.0 | |
Total | 51 | 100.0 | |

body mass Index
| Frequency | Percent | Valid Percent | Cumulative Percent
Valid | 17 | 1 | 2.0 | 2.0 | 2.0
| 18 | 3 | 5.9 | 6.0 | 8.0
| 19 | 5 | 9.8 | 10.0 | 18.0
| 20 | 12 | 23.5 | 24.0 | 42.0
| 21 | 9 | 17.6 | 18.0 | 60.0
| 22 | 1 | 2.0 | 2.0 | 62.0
| 24 | 2 | 3.9 | 4.0 | 66.0
| 25 | 3 | 5.9 | 6.0 | 72.0
| 27 | 1 | 2.0 | 2.0 | 74.0
| 28 | 3 | 5.9 | 6.0 | 80.0
| 31 | 1 | 2.0 | 2.0 | 82.0
| 32 | 1 | 2.0 | 2.0 | 84.0
| 34 | 1 | 2.0 | 2.0 | 86.0
| 35 | 4 | 7.8 | 8.0 | 94.0
| 39 | 2 | 3.9 | 4.0 | 98.0
| 41 | 1 | 2.0 | 2.0 | 100.0
| Total | 50 | 98.0 | 100.0 |
Missing | System | 1 | 2.0 | |
Total | 51 | 100.0 | |

years of education
| Frequency | Percent | Valid Percent | Cumulative Percent
Valid | 5 | 3 | 5.9 | 6.0 | 6.0
| 6 | 2 | 3.9 | 4.0 | 10.0
| 7 | 2 | 3.9 | 4.0 | 14.0
| 8 | 3 | 5.9 | 6.0 | 20.0
| 9 | 5 | 9.8 | 10.0 | 30.0
| 10 | 7 | 13.7 | 14.0 | 44.0
| 11 | 2 | 3.9 | 4.0 | 48.0
| 12 | 9 | 17.6 | 18.0 | 66.0
| 13 | 4 | 7.8 | 8.0 | 74.0
| 14 | 4 | 7.8 | 8.0 | 82.0
| 15 | 5 | 9.8 | 10.0 | 92.0
| 16 | 3 | 5.9 | 6.0 | 98.0
| 18 | 1 | 2.0 | 2.0 | 100.0
| Total | 50 | 98.0 | 100.0 |
Missing | System | 1 | 2.0 | |
Total | 51 | 100.0 | |

Histogram

CORRELATIONS
  /VARIABLES=CK_normal CK BMI AGE
  /PRINT=TWOTAIL NOSIG
  /MISSING=PAIRWISE.

Correlations

Correlations
| CK_normal | creatine kinase level | body mass Index | age in years
CK_normal | Pearson Correlation | 1 | .100 | .026 | -.043
| Sig. (2-tailed) | | .488 | .856 | .767
| N | 50 | 50 | 50 | 50
creatine kinase level | Pearson Correlation | .100 | 1 | .836^** | .322^*
| Sig. (2-tailed) | .488 | | .000 | .022
| N | 50 | 50 | 50 | 50
body mass Index | Pearson Correlation | .026 | .836^** | 1 | .294^*
| Sig. (2-tailed) | .856 | .000 | | .038
| N | 50 | 50 | 50 | 50
age in years | Pearson Correlation | -.043 | .322^* | .294^* | 1
| Sig. (2-tailed) | .767 | .022 | .038 |
| N | 50 | 50 | 50 | 50

**. Correlation is significant at the 0.01 level (2-tailed).
*. Correlation is significant at the 0.05 level (2-tailed).

T-TEST GROUPS=gender(1 2)
  /MISSING=ANALYSIS
  /VARIABLES=CK_normal
  /CRITERIA=CI(.95).

T-Test

Group Statistics
| gender | N | Mean | Std. Deviation | Std. Error Mean
CK_normal | male | 25 | 85.4899 | 10.19902 | 2.03980
| female | 25 | 82.2922 | 7.39430 | 1.47886

Independent Samples Test
| Levene's Test for Equality of Variances | t-test for Equality of Means | | |
| F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | | |
CK_normal | Equal variances assumed | 6.924 | .011 | 1.269 | 48 | .211 | 3.19765 | | |
| Equal variances not assumed | | | 1.269 | 43.768 | .211 | 3.19765 | | |

ONEWAY CK_normal BY race
  /MISSING ANALYSIS.

Oneway

ANOVA
CK_normal
| Sum of Squares | df | Mean Square | F | Sig.
Between Groups | 22.328 | 2 | 11.164 | .134 | .875
Within Groups | 3914.179 | 47 | 83.280 | |
Total | 3936.507 | 49 | | |

*Nonparametric Tests: Independent Samples.
NPTESTS
  /INDEPENDENT TEST (CK) GROUP (gender) MANN_WHITNEY
  /MISSING SCOPE=ANALYSIS USERMISSING=EXCLUDE
  /CRITERIA ALPHA=0.05  CILEVEL=95.

Nonparametric Tests

Hypothesis Test Summary
| Null Hypothesis | Test | Sig. | Decision
1 | The distribution of creatine kinase level is the same across categories of gender. | Independent-Samples Mann-Whitney U Test | .002 | Reject the null hypothesis.

Asymptotic significances are displayed. The significance level is .050.

Independent-Samples Mann-Whitney U Test

creatine kinase level across gender

Independent-Samples Mann-Whitney U Test Summary
Total N | 50
Mann-Whitney U | 151.000
Wilcoxon W | 476.000
Test Statistic | 151.000
Standard Error | 51.529
Standardized Test Statistic | -3.134
Asymptotic Sig.(2-sided test) | .002

*Nonparametric Tests: Independent Samples.
NPTESTS
  /INDEPENDENT TEST (CK) GROUP (gender) KRUSKAL_WALLIS(COMPARE=PAIRWISE)
  /MISSING SCOPE=ANALYSIS USERMISSING=EXCLUDE
  /CRITERIA ALPHA=0.05  CILEVEL=95.

Nonparametric Tests

Hypothesis Test Summary
| Null Hypothesis | Test | Sig. | Decision
1 | The distribution of creatine kinase level is the same across categories of gender. | Independent-Samples Kruskal-Wallis Test | .002 | Reject the null hypothesis.

Asymptotic significances are displayed. The significance level is .050.

Independent-Samples Kruskal-Wallis Test

creatine kinase level across gender

Independent-Samples Kruskal-Wallis Test Summary
Total N | 50
Test Statistic | 9.823^a,b
Degree Of Freedom | 1
Asymptotic Sig.(2-sided test) | .002

a. The test statistic is adjusted for ties.
b. Multiple comparisons are not performed because there are less than three test fields.

REGRESSION
  /MISSING LISTWISE
  /STATISTICS COEFF OUTS R ANOVA
  /CRITERIA=PIN(.05) POUT(.10)
  /NOORIGIN
  /DEPENDENT CK_normal
  /METHOD=ENTER AGE gender race BMI education.

Regression

Variables Entered/Removed^a
Model | Variables Entered | Variables Removed | Method
1 | years of education, race/ethnicity, age in years, gender, body mass Index^b | . | Enter

a. Dependent Variable: CK_normal
b. All requested variables entered.

Model Summary
Model | R | R Square | Adjusted R Square | Std. Error of the Estimate
1 | .199^a | .040 | -.069 | 9.26895

a. Predictors: (Constant), years of education, race/ethnicity, age in years, gender, body mass Index

ANOVA^a
Model | Sum of Squares | df | Mean Square | F | Sig.
1 | Regression | 156.318 | 5 | 31.264 | .364 | .870^b
| Residual | 3780.188 | 44 | 85.913 | |
| Total | 3936.507 | 49 | | |

a. Dependent Variable: CK_normal
b. Predictors: (Constant), years of education, race/ethnicity, age in years, gender, body mass Index

Coefficients^a
Model | Unstandardized Coefficients | Standardized Coefficients | t | Sig.
| B | Std. Error | Beta | |
1 | (Constant) | 94.873 | 14.153 | | 6.703 | .000
| age in years | -.060 | .149 | -.064 | -.404 | .688
| gender | -3.768 | 3.047 | -.212 | -1.236 | .223
| race/ethnicity | -.024 | 2.059 | -.002 | -.011 | .991
| body mass Index | -.069 | .261 | -.050 | -.263 | .794
| years of education | .031 | .419 | .011 | .074 | .942

a. Dependent Variable: CK_normal

LOGISTIC REGRESSION VARIABLES heartdisease
  /METHOD=ENTER AGE gender race education BMI
  /CONTRAST (gender)=Indicator
  /CONTRAST (race)=Indicator
  /CRITERIA=PIN(.05) POUT(.10) ITERATE(20) CUT(.5).

Logistic Regression

Case Processing Summary
Unweighted Cases^a | N | Percent
Selected Cases | Included in Analysis | 50 | 98.0
| Missing Cases | 1 | 2.0
| Total | 51 | 100.0
Unselected Cases | 0 | .0
Total | 51 | 100.0

a. If weight is in effect, see classification table for the total number of cases.

Dependent Variable Encoding
Original Value | Internal Value
no | 0
yes | 1

Categorical Variables Codings
| Frequency | Parameter coding
| | (1) | (2)
race/ethnicity | white | 16 | 1.000 | .000
| blacks | 18 | .000 | 1.000
| hispanic | 16 | .000 | .000
gender | male | 25 | 1.000 |
| female | 25 | .000 |

Block 0: Beginning Block

Classification Table^a,b
| Observed | Predicted
| | heart disease | Percentage Correct
| | no | yes |
Step 0 | heart disease | no | 0 | 25 | .0
| | yes | 0 | 25 | 100.0
| Overall Percentage | | | 50.0

a. Constant is included in the model.
b. The cut value is .500

Variables in the Equation
| B | S.E. | Wald | df | Sig. | Exp(B)
Step 0 | Constant | .000 | .283 | .000 | 1 | 1.000 | 1.000

Variables not in the Equation
| Score | df | Sig.
Step 0 | Variables | age in years | .615 | 1 | .433
| | gender(1) | 2.000 | 1 | .157
| | race/ethnicity | .472 | 2 | .790
| | race/ethnicity(1) | .368 | 1 | .544
| | race/ethnicity(2) | .347 | 1 | .556
| | years of education | 5.126 | 1 | .024
| | body mass Index | 3.685 | 1 | .055
| Overall Statistics | 15.225 | 6 | .019

Block 1: Method = Enter

Omnibus Tests of Model Coefficients
| Chi-square | df | Sig.
Step 1 | Step | 18.021 | 6 | .006
| Block | 18.021 | 6 | .006
| Model | 18.021 | 6 | .006

Model Summary
Step | -2 Log likelihood | Cox & Snell R Square | Nagelkerke R Square
1 | 51.294^a | .303 | .403

a. Estimation terminated at iteration number 5 because parameter estimates changed by less than .001.

Classification Table^a
| Observed | Predicted
| | heart disease | Percentage Correct
| | no | yes |
Step 1 | heart disease | no | 21 | 4 | 84.0
| | yes | 5 | 20 | 80.0
| Overall Percentage | | | 82.0

a. The cut value is .500

Variables in the Equation
| B | S.E. | Wald | df | Sig. | Exp(B)
Step 1^a | age in years | -.028 | .037 | .582 | 1 | .446 | .972
| gender(1) | 2.420 | 1.015 | 5.684 | 1 | .017 | 11.246
| race/ethnicity | | | .074 | 2 | .964 |
| race/ethnicity(1) | .085 | 1.092 | .006 | 1 | .938 | 1.088
| race/ethnicity(2) | .227 | .886 | .066 | 1 | .798 | 1.255
| years of education | .288 | .125 | 5.278 | 1 | .022 | 1.333
| body mass Index | -.182 | .080 | 5.155 | 1 | .023 | .833
| Constant | 1.795 | 2.817 | .406 | 1 | .524 | 6.019

a. Variable(s) entered on step 1: age in years, gender, race/ethnicity, years of education, body mass Index.