Table 2.
Baseline characteristics classified according to subsequent onset of depressive symptoms
| Variables | 2011–2013 incidence depressive symptom (N = 3118,%) | P1 | 2011–2015 incidence depressive symptom (N = 3118,%) | P2 | 2013–2015 incidence depressive symptom (N = 2472,%) | P3 | |||
|---|---|---|---|---|---|---|---|---|---|
| No | Yes | No | Yes | No | Yes | ||||
| Age(years) | 0.254 | 0.102 | 0.653 | ||||||
| 45–54 | 892(77.50) | 259(22.50) | 823(71.5) | 328(28.5) | 681(76.35) | 211(23.65) | |||
| 55–64 | 1010(80.16) | 250(19.84) | 911(72.3) | 349(27.7) | 772(76.44) | 238(23.56) | |||
| 65–74 | 477(80.17) | 118(19.83) | 457(76.81) | 138(23.19) | 377(79.04) | 100(20.96) | |||
| ≥ 75 | 93(83.04) | 19(16.96) | 84(75.00) | 28(25.00) | 73(78.49) | 20(21.51) | |||
| Sex | < 0.001 | < 0.001 | < 0.001 | ||||||
| Male | 1399(82.34) | 300(17.66) | 1327(78.10) | 372(21.90) | 1129(80.70) | 270(19.3) | |||
| Female | 1073(75.62) | 346(24.38) | 948(66.81) | 471(33.19) | 774(72.13) | 299(27.87) | |||
| Education | 0.050 | < 0.001 | 0.001 | ||||||
| Illiterate | 479(75.91) | 152(24.09) | 424(67.19) | 207(32.81) | 346(72.23) | 133(27.77) | |||
| Less than elementary school | 1660(79.65) | 424(20.35) | 1536(73.70) | 548(26.30) | 1287(77.53) | 373(22.47) | |||
| High school | 227(81.65) | 51(18.35) | 212(76.26) | 66(23.74) | 175(77.09) | 52(22.91) | |||
| Above vocational school | 106(84.8) | 19(15.20) | 103(82.40) | 22(17.60) | 95(89.62) | 11(10.38) | |||
| Marital status | 0.417 | 0.866 | 0.516 | ||||||
| Single | 2278(79.46) | 589(20.54) | 2093(73.00) | 774(27.00) | 1750(76.82) | 528(23.18) | |||
| Married | 194(77.29) | 57(22.71) | 182(72.51) | 69(27.49) | 153(78.87) | 41(21.13) | |||
| Current residence | 0.003 | 0.033 | 0.055 | ||||||
| Rural | 2253(78.64) | 612(21.36) | 2076(72.46) | 789(27.54) | 1723(76.48) | 530(23.52) | |||
| Urban | 219(86.56) | 34(13.44) | 199(78.66) | 54(21.34) | 180(82.19) | 39(17.81) | |||
| Smoking status | 0.060 | < 0.001 | 0.008 | ||||||
| No | 1394(77.88) | 396(22.12) | 1251(69.89) | 539(30.11) | 1041(74.68) | 353(25.32) | |||
| Former smoke | 222(82.84) | 46(17.16) | 205(76.49) | 63(23.51) | 177(79.73) | 45(20.27) | |||
| Current smoke | 856(80.75) | 204(19.25) | 819(77.26) | 241(22.74) | 685(80.02) | 171(19.98) | |||
| Alcohol consumption | 0.029 | < 0.001 | < 0.001 | ||||||
| No | 1545(77.99) | 436(22.01) | 1388(70.07) | 593(29.93) | 1156(74.82) | 389(25.18) | |||
| Less than once a month | 208(78.79) | 56(21.21) | 189(71.59) | 75(28.41) | 156(75.00) | 52(25.00) | |||
| More than once a month | 719(82.36) | 154(17.64) | 698(79.95) | 175(20.05) | 591(82.2) | 128(17.8) | |||
| Having regular exercises | 0.880 | 0.812 | 0.885 | ||||||
| No exercise | 1484(79.27) | 388(20.73) | 1371(73.24) | 501(26.76) | 1147(77.29) | 337(22.71) | |||
| Less than exercises | 488(78.71) | 132(21.29) | 446(71.94) | 174(28.06) | 372(76.23) | 116(23.77) | |||
| Regular exercises | 500(79.87) | 126(20.13) | 458(73.16) | 168(26.84) | 384(76.80) | 116(23.20) | |||
| Taking activities | 0.019 | 0.021 | 0.127 | ||||||
| No | 1104(77.42) | 322(22.58) | 1012(70.97) | 414(29.03) | 834(75.54) | 270(24.46) | |||
| Yes | 1368(80.85) | 324(19.15) | 1263(74.65) | 429(25.35) | 1069(78.14) | 299(21.86) | |||
| Chronic disease(counts) | 0.032 | 0.003 | 0.226 | ||||||
| 0 | 1034(81.1) | 241(18.90) | 961(75.37) | 314(24.63) | 811(78.43) | 223(21.57) | |||
| 1–2 | 1155(78.79) | 311(21.21) | 1063(72.51) | 403(27.49) | 883(76.45) | 272(23.55) | |||
| 3–14 | 283(75.07) | 94(24.93) | 251(66.58) | 126(33.42) | 209(73.85) | 74(26.15) | |||
| BMI changes | 0.194 | 0.468 | 0.459 | ||||||
| > -3% | 436(75.69) | 140(24.31) | 1027(74.58) | 350(25.42) | 873(78.72) | 236(21.28) | |||
| -3–3% | 1109(80.54) | 268(19.46) | 412(71.53) | 164(28.47) | 327(75.00) | 109(25.00) | |||
| 3–6% | 462(79.25) | 121(20.75) | 418(71.7) | 165(28.3) | 350(75.76) | 112(24.24) | |||
| 6–9% | 223(79.36) | 58(20.64) | 199(70.82) | 82(29.18) | 168(75.34) | 55(24.66) | |||
| > 9% | 242(80.4) | 59(19.6) | 219(72.76) | 82(27.24) | 185(76.45) | 57(23.55) | |||