Table 1 Demographic, anthropometric and lifestyle characteristics of participants in case and control groups
variables | Case–Control group | P valuea | |
|---|---|---|---|
Case (n = 253) | Control (n = 267) | ||
Mean (SD) | Mean (SD) | ||
Age, y | 48.91(10.46) | 47.13(10.08) | 0.062 |
BMI, kg/m2 | 29.61(4.55) | 29.07(5.39) | 0.222 |
WC (cm) | 101.15(96.39) | 96.39(13.25) | < 0.001 |
WHR | 0.96(0.08) | 0.89(0.10) | < 0.001 |
Physical Activity (Met.h/wk) | 33.18(6.11) | 32.70(5.20) | 0.336 |
Marriage age, y | 19.43(5.02) | 18.98(4.48) | 0.296 |
First pregnancy age, y | 22.29(5.32) | 20.35(4.19) | < 0.001 |
Child number | 2.92(1.43) | 2.54(1.59) | 0.005 |
N(%) | N(%) | ||
Abortion history (yes) | 94 (37.2) | 78(29.2) | 0.054 |
Smoking current use (yes) | 8(3.2) | 9(3.4) | 0.894 |
Tobacco current use (yes) | 8(3.2) | 18(6.7) | 0.063 |
Employment status | 0.532 | ||
Housewife | 203(80.6) | 206(77.4) | |
Part-time | 9(3.6) | 15(5.6) | |
Recruitment | 22(8.7) | 30(11.3) | |
Retired | 14(5.6) | 10(3.8) | |
Education status | 0.518 | ||
Illiterate | 29(11.6) | 24(9) | |
Low education | 116(46.6) | 134(50.4) | |
Higher education | 105(42) | 108(40.6) | |
Exposure to sunlight during the day (min) | |||
Less than 30 min | 72(28.5) | 96(36) | 0.215 |
60–30 min | 82(32.4) | 68(25.5) | |
120–60 min | 43(17) | 46(17.2) | |
More than 120 min | 56(22.1) | 57(21.3) | |