Table 1 Characteristics of participants by waves in CLHLS, 2011/2012 to 2014, mean (SD)/n (%)
Variables | Wave 1 | Wave 2 | ||||
|---|---|---|---|---|---|---|
Total (n = 8844) | Male (n = 4089) | Female (n = 4755) | Total (n = 5465) | Male (n = 2628) | Female (2837) | |
MMSE scoresa | 26.08(5.35) | 27.13(4.44) | 25.19(5.88) | 26.51(4.67) | 27.46(3.88) | 25.66(4.47) |
Cognitive impairmentb | 749(8.47) | 189(4.62) | 560(11.78) | 336(6.19) | 97(3.69) | 239(8.42) |
Self-reported HLb | 3937(44.52) | 1706(41.72) | 2231(46.92) | 2137(39.38) | 997(37.94) | 1141(40.22) |
Activity engagementa | 9.98(6.62) | 11.43(6.58) | 8.73(6.39) | 10.48(6.65) | 11.61(6.64) | 9.51(6.54) |
 Productive activitiesa | 2.13(1.90) | 2.04(1.88) | 2.21(1.91) | 2.27(1.88) | 2.11(1.87) | 2.43(1.88) |
 Outdoor activitiesa | 2.21(1.84) | 2.45(1.79) | 2.01(1.85) | 2.22(1.84) | 2.39(1.81) | 2.07(1.85) |
 Intellectual activitiesa | 0.57(0.98) | 0.87(1.13) | 0.31(0.75) | 0.61(1.02) | 0.90(1.15) | 0.35(0.80) |
 Recreational activitiesa | 1.40(1.10) | 1.61(1.07) | 1.22(1.10) | 1.49(1.09) | 1.65(1.06) | 1.35(1.10) |
 Social activitiesa | 0.30(0.87) | 0.38(0.96) | 0.24(0.78) | 0.32(0.89) | 0.39(0.96) | 0.27(0.83) |
Agea | 85.08(10.98) | 82.84(10.06) | 87.01(11.37) | 84.74(9.99) | 82.97(9.16) | 86.13(10.63) |
Ruralb | 4624(52.28) | 2097(51.28) | 2527(53.14) | 2835(52.83) | 1366(52.46) | 1501(53.63) |
Illiterateb | 4987(56.39) | 1294(31.65) | 3693(77.67) | 2825(52.05) | 771(29.34) | 2066(72.82) |
Ever smokingb | 1439(16.36) | 1158(28.47) | 281(5.94) | 774(14.33) | 654(24.99) | 123(4.36) |
Current smokingb | 1639(18.64) | 1370(33.68) | 269(5.69) | 977(18.09) | 843(32.21) | 144(5.11) |
Ever drinkingb | 1270(14.51) | 947(23.43) | 323(6.86) | 575(10.68) | 463(17.72) | 114(4.06) |
Current drinkingb | 1520(17.37) | 1142(28.26) | 378(8.03) | 876(16.28) | 716(27.40) | 167(5.95) |
Self-reported poor healthb | 1501(17.22) | 581(14.37) | 920(19.69) | 856(15.97) | 366(14.04) | 492(17.62) |
Hypertensionb | 3126(50.76) | 1388(49.62) | 1738(51.71) | 2167(56.97) | 1011(55.19) | 1168(58.43) |
Diabetesb | 1118(21.73) | 528(22.34) | 590(21.22) | 904(28.99) | 437(28.52) | 476(29.55) |