Table 1 Characteristics of the baseline sample and the distribution of PI
Variables | Number of total participants | Number of physically inactive participants | Prevalence of PI | χ2 | p value |
|---|---|---|---|---|---|
Age | 91.474 | < 0.001 | |||
45–59 | 2323 | 371 | 16.0% | ||
60–74 | 1821 | 357 | 20.0% | ||
≥ 75 | 381 | 140 | 36.8% | ||
Gender | 8.264 | < 0.001 | |||
Male | 2085 | 362 | 17.4% | ||
Female | 2440 | 506 | 20.7% | ||
Spouse | 8.968 | < 0.001 | |||
Yes | 3820 | 704 | 18.4% | ||
No | 705 | 164 | 23.3% | ||
Living area | 25.910 | < 0.001 | |||
Urban | 1648 | 381 | 23.1% | ||
Rural | 2877 | 487 | 16.9% | ||
BMI level | 25.227 | < 0.001 | |||
Underweight | 300 | 72 | 24.0% | ||
Normal | 1888 | 308 | 16.3% | ||
Overweight | 1720 | 338 | 19.7% | ||
Obese | 617 | 150 | 24.3% | ||
Work status | 332.581 | < 0.001 | |||
Currently working | 3179 | 389 | 12.2% | ||
Not working | 1346 | 479 | 35.6% | ||
Education level | 4.165 | 0.24 | |||
Illiteracy | 1242 | 256 | 20.6% | ||
Elementary school | 1846 | 330 | 17.9% | ||
Middle/high school | 1360 | 265 | 19.5% | ||
College or above | 77 | 17 | 22.1% | ||
PCE level | 4.750 | 0.31 | |||
1/5 | 935 | 200 | 21.4% | ||
2/5 | 940 | 171 | 18.2% | ||
3/5 | 904 | 163 | 18.0% | ||
4/5 | 923 | 182 | 19.7% | ||
5/5 | 823 | 152 | 18.5% | ||
Smoking | 7.114 | 0.03 | |||
Never | 2796 | 562 | 20.1% | ||
Quit | 368 | 77 | 20.9% | ||
Yes | 1361 | 229 | 16.8% | ||
Drinking | 13.888 | < 0.001 | |||
Never | 3040 | 629 | 20.7% | ||
< Once a month | 339 | 58 | 17.1% | ||
> Once a month | 1146 | 181 | 15.8% | ||
Non-communicable diseasesa | 0.487 | 0.49 | |||
Yes | 3083 | 600 | 19.5% | ||
No | 1442 | 268 | 18.6% | ||
ADL/IADL disability | 49.277 | < 0.001 | |||
Yes | 1241 | 321 | 25.9% | ||
No | 3284 | 547 | 16.7% | ||
Number of public facilities | 3.44 ± 3.39 | / | / | / | / |