Table 2 Descriptive statistics
Variable | Full sample (N = 1,924) | With URRBMI (N = 1,593) | Without URRBMI (N = 331) |
|---|---|---|---|
IADL disability | |||
 Noa, n (%) | 1,495 (77.70) | 1,267 (79.54) | 228 (68.88) |
 Yes, n (%) | 429 (22.30) | 326 (20.46) | 103 (31.12) |
Age | |||
 45–64, n (%) | 1,235 (64.19) | 1,033 (64.85) | 202 (61.03) |
  ≥ 65, n (%) | 689 (35.81) | 560 (35.15) | 129 (38.97) |
Gender | |||
 Femalea, n (%) | 1,015 (52.75) | 836 (52.48) | 179 (54.08) |
 Male, n (%) | 909 (47.25) | 757 (47.52) | 152 (45.92) |
Marital status | |||
 Single, divorced or widoweda, n (%) | 257 (13.36) | 190 (11.93) | 67 (20.24) |
 Married, n (%) | 1,667 (86.64) | 1,403 (88.07) | 264 (79.76) |
Residency area | |||
 Rural areasa, n (%) | 1,187 (61.69) | 973 (61.08) | 214 (64.65) |
 Urban areas, n (%) | 737 (38.31) | 620 (38.92) | 117 (35.35) |
Education status | |||
 Literatea, n (%) | 370 (19.23) | 289 (18.14) | 81 (24.47) |
 Illiterate, n (%) | 1,554 (80.77) | 1,304 (81.86) | 250 (75.53) |
Household income (RMB) | |||
 Mean (SD) | 27,789.56 (46,934.82) | 29,091.85 (49,294.55) | 21,522.03 (32,657.31) |
PM2.5 concentrations (μg/m3) | |||
 Mean (SD) | 34.37 (14.65) | 34.89 (14.98) | 31.87 (12.68) |
Having tap water | |||
 Noa, n (%) | 334 (17.36) | 271 (17.01) | 63 (19.03) |
 Yes, n (%) | 1,590 (82.64) | 1,322 (82.99) | 268 (80.97) |
Health services utilization | |||
 Noa, n (%) | 1,428 (74.22) | 1,152 (72.32) | 276 (83.38) |
 Yes, n (%) | 496 (25.78) | 441 (27.68) | 55 (16.62) |
Physical exercise | |||
 Noa, n (%) | 184 (9.56) | 146 (9.17) | 38 (11.48) |
 Yes, n (%) | 1,740 (90.44) | 1,447 (90.83) | 293 (88.52) |