Variable | Year 2001 | P value* | Year 2009 | P value* | Year 2013 | P value* | |||
---|---|---|---|---|---|---|---|---|---|
N | (%) | N | (%) | N | (%) | ||||
Total | 892 | (10.70) | 1471 | (13.13) | 1296 | (11.84) | |||
Mean sitting time (SD) | 5.44 ± 0.14 | 0.040 | 5.39 ± 0.12 | 0.725 | 5.66 ± 0.12 | 0.665 | |||
Sitting time (grouped), hours | 0.088 | 0.487 | 0.037 | ||||||
<3 | 195 | (10.31) | 303 | (14.44) | 218 | (13.40) | |||
3–4 | 236 | (9.75) | 414 | (12.94) | 313 | (10.45) | |||
5–6 | 187 | (10.37) | 366 | (12.97) | 369 | (12.94) | |||
≥7 | 274 | (12.35) | 388 | (12.57) | 396 | (11.42) | |||
Mean age (SD) | 70.12 ± 0.33 | <0.001 | 71.88 ± 0.32 | <0.001 | 70.87 ± 0.36 | <0.001 | |||
Age (grouped), years | <0.001 | <0.001 | <0.001 | ||||||
40–54 | 61 | (1.33) | 80 | (1.31) | 71 | (1.30) | |||
55–64 | 179 | (10.59) | 276 | (11.15) | 297 | (10.27) | |||
≥ 65 | 652 | (31.70) | 1115 | (42.42) | 927 | (36.53) | |||
Sex | <0.001 | <0.001 | <0.001 | ||||||
Male | 364 | (8.91) | 610 | (11.02) | 531 | (9.95) | |||
Female | 528 | (12.43) | 861 | (15.18) | 765 | (13.64) | |||
Education level† | <0.001 | <0.001 | <0.001 | ||||||
None | 349 | (23.94) | 398 | (39.08) | 301 | (35.92) | |||
Junior high school and below | 400 | (9.69) | 773 | (15.83) | 614 | (14.40) | |||
Senior high school | 81 | (5.15) | 152 | (5.09) | 182 | (5.96) | |||
College or Bachelor’s degree | 55 | (5.05) | 128 | (6.26) | 157 | (6.94) | |||
Master’s degree and above | 7 | (8.05) | 23 | (7.23) | 41 | (7.90) | |||
Marital status‡ | <0.001 | <0.001 | <0.001 | ||||||
Never married | 11 | (4.20) | 28 | (4.63) | 32 | (4.03) | |||
Married | 592 | (8.79) | 921 | (10.75) | 861 | (10.59) | |||
Other | 289 | (21.65) | 523 | (25.55) | 403 | (19.92) | |||
Employment status | <0.001 | <0.001 | <0.001 | ||||||
Employed | 125 | (3.06) | 230 | (3.64) | 283 | (4.44) | |||
Not employed | 767 | (18.05) | 1241 | (25.38) | 1013 | (22.18) | |||
Monthly household income ($NT) | <0.001 | <0.001 | <0.001 | ||||||
<30,000 | 359 | (17.09) | 562 | (19.72) | 395 | (17.42) | |||
≥ 30,000 to <70,000 | 304 | (8.83) | 317 | (8.39) | 360 | (9.60) | |||
≥70,000 | 219 | (8.15) | 163 | (6.16) | 247 | (7.78) | |||
Not stated | 10 | (9.80) | 429 | (22.21) | 294 | (16.79) | |||
Degrees of urbanization§ | 0.324 | <0.001 | 0.002 | ||||||
High urbanization | 188 | (10.63) | 388 | (15.34) | 396 | (13.42) | |||
Moderate urbanization | 235 | (10.45) | 346 | (13.52) | 560 | (10.43) | |||
Developing towns | 170 | (9.30) | 363 | (10.10) | 155 | (11.43) | |||
General towns | 127 | (10.36) | 268 | (14.88) | 127 | (14.35) | |||
Other towns | 172 | (13.62) | 105 | (14.64) | 59 | (15.20) | |||
Health status | |||||||||
Hypertension | <0.001 | <0.001 | <0.001 | ||||||
Yes | 357 | (19.56) | 766 | (26.12) | 724 | (23.4) | |||
No | 535 | (8.22) | 705 | (8.52) | 572 | (7.33) | |||
Diabetes | <0.001 | <0.001 | <0.001 | ||||||
Yes | 187 | (24.64) | 345 | (29.38) | 328 | (25.22) | |||
No | 705 | (9.31) | 1126 | (11.22) | 967 | (10.04) | |||
Myopia | <0.001 | <0.001 | <0.001 | ||||||
Yes | 84 | (5.12) | 210 | (6.20) | 251 | (6.54) | |||
No | 808 | (12.07) | 1261 | (16.12) | 1045 | (14.71) | |||
Smoking status | <0.001 | <0.001 | <0.001 | ||||||
Never smokers | 673 | (11.46) | 1019 | (14.40) | 979 | (13.67) | |||
Former smokers | 83 | (17.40) | 286 | (16.88) | 211 | (13.43) | |||
Current smokers | 136 | (6.85) | 166 | (6.81) | 106 | (4.80) |