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Table 1 Characteristics of the study sample

From: Analysis of influence of physical health factors on subjective wellbeing of middle-aged and elderly women in China

Characteristic Group 2014 2018
Number/ Mean %/S.D Number/ Mean %/S.D
Subjective Well-being 0–6 1555 31.1 1580 31.6
7–10 3442 68.9 3417 68.4
Age 45–59 3196 64.0 2458 49.2
60–74 1665 33.3 2230 44.6
 ≥ 75 136 2.72 309 6.2
registered residence urban 2327 46.6 2470 49.4
rural 1670 53.4 2527 50.6
education status primary school and below 2845 56.9 3289 65.8
junior high school 1078 21.6 1086 21.7
Senior high school 506 10.1 506 10.1
college or university degree and above 568 11.4 116 2.4
marital status Married 4439 88.8 4256 85.2
unmarried 558 11.2 741 14.8
SRH very good 415 8.3 474 9.5
good 721 14.4 456 9.1
acceptable 1707 34.2 1804 36.1
bad 936 18.7 846 16.9
very bad 1218 24.4 1417 28.6
chronic disease Yes 1340 26.8 1448 29.0
No 3657 73.2 3549 71.0
hospitalization Yes 679 13.6 960 19.2
No 4318 86.4 4037 80.8
two-week morbidity Yes 2148 43.0 2219 44.4
No 2849 57.0 2778 55.6
Physical exercise Yes 1941 38.8 2636 52.7
No 3056 61.2 2361 47.3
Drinking status Yes 170 3.4 183 3.7
No 4827 96.6 4814 96.3
Smoking status Yes 232 4.6 225 4.5
No 4765 95.4 4772 95.5
Working situation Yes 3348 67.0 3035 60.7
No 1649 33.0 1962 39.3
BMI obesity 368 7.4 319 6.3
overweight 2663 53.3 2495 50.0
normal weight 1562 31.2 1704 34.1
underweight 404 8.1 479 9.6
Income status   2.50  ± 1.06 3.02  ± 1.16
Social status   3.08  ± 1.04 3.31  ± 1.14