|  | 7 months later |  |  | 20 months later |  |  | ||
---|---|---|---|---|---|---|---|---|---|
 |  | Non-insurance | Insurance to none | Non to insurance | Insurance | Non-insurance | Insurance to none | Non to Insurance | Insurance |
Sample | Â | 1170 (52.7) | 162 (7.3) | 164 (7.4) | 724 (32.6) | 445 (23.6) | 155 (8.2) | 636 (33.7) | 652 (34.5) |
city, No. (%) | Lanzhou | 896 (55.9) | 117 (7.3) | 133 (8.3) | 457 (28.5) | 366 (26.3) | 127 (9.1) | 505 (36.4) | 391 (28.1) |
 | Baiyin | 274 (44.4) | 45 (7.3) | 31 (5.0) | 267 (43.3) | 79 (15.8) | 28 (5.6) | 131 (26.3) | 261 (52.3) |
sex, No. (%) | Male | 467 (43.4) | 83 (7.7) | 79 (7.3) | 447 (41.5) | 205 (20.0) | 90 (8.8) | 289 (28.1) | 443 (43.1) |
 | Female | 703 (61.5) | 79 (6.9) | 85 (7.4) | 277 (24.2) | 240 (27.9) | 65 (7.5) | 347 (40.3) | 209 (24.3) |
age, No. (%) | 16-35 | 219 (67.2) | 18 (5.5) | 20 (6.1) | 69 (21.2) | 71 (27.3) | 16 (6.2) | 109 (41.9) | 64 (24.6) |
 | 36-45 | 405 (61.8) | 53 (8.1) | 38 (5.8) | 159 (24.3) | 166 (29.9) | 27 (4.9) | 203 (36.5) | 160 (28.8) |
 | 46-55 | 306 (49.6) | 38 (6.2) | 55 (8.9) | 218 (35.3) | 111 (21.2) | 49 (9.4) | 172 (32.9) | 191 (36.5) |
 | 56-65 | 149 (38.4) | 41 (10.6) | 28 (7.2) | 170 (43.8) | 56 (16.0) | 38 (10.9) | 100 (28.6) | 156 (44.6) |
 | ≥66 | 91 (38.9) | 12 (5.1) | 23 (9.8) | 108 (46.2) | 41 (20.6) | 25 (12.6) | 52 (26.1) | 81 (40.7) |
nationality, No. (%) | Han | 1096 (52.0) | 157 (7.5) | 156 (7.4) | 698 (33.1) | 409 (23.1) | 145 (8.2) | 597 (33.7) | 623 (35.1) |
 | Minority | 74 (65.5) | 5 (4.4) | 8 (7.1) | 26 (23.0) | 36 (31.6) | 10 (8.8) | 39 (34.2) | 29 (25.4) |
education, No. (%) | primary school or less | 279 (62.8) | 25 (5.6) | 35 (7.9) | 105 (23.6) | 107 (29.6) | 25 (6.9) | 139 (38.4) | 91 (25.1) |
 | Junior high school | 470 (57.0) | 56 (6.8) | 62 (7.5) | 237 (28.7) | 171 (24.3) | 48 (6.8) | 256 (36.3) | 230 (32.6) |
 | High school | 358 (48.7) | 58 (7.9) | 52 (7.1) | 267 (36.3) | 145 (23.2) | 55 (8.8) | 201 (32.2) | 224 (35.8) |
 | College or more | 63 (29.2) | 23 (10.6) | 15 (6.9) | 115 (53.2) | 22 (11.2) | 27 (13.8) | 40 (20.4) | 107 (54.6) |
marriage, No. (%) | Married | 851 (48.9) | 132 (7.6) | 125 (7.2) | 633 (36.4) | 306 (21.0) | 127 (8.7) | 453 (31.0) | 574 (39.3) |
 | Divorced | 264 (64.9) | 23 (5.7) | 34 (8.4) | 86 (21.1) | 115 (30.7) | 26 (7.0) | 162 (43.3) | 71 (19.0) |
 | Never-married | 54 (76.1) | 7 (9.9) | 5 (7.0) | 5 (7.0) | 24 (45.3) | 2 (3.8) | 20 (37.7) | 7 (13.2) |
employment, No. (%) | Retired | 236 (31.5) | 67 (8.9) | 66 (8.8) | 381 (50.8) | 87 (13.6) | 77 (12.0) | 153 (23.9) | 324 (50.5) |
 | Unemployed | 655 (83.0) | 38 (4.8) | 41 (5.2) | 55 (7.0) | 246 (37.5) | 28 (4.3) | 332 (50.6) | 50 (7.6) |
 | employed | 279 (41.0) | 57 (8.4) | 57 (8.4) | 288 (42.3) | 112 (19.0) | 50 (8.5) | 151 (25.5) | 278 (47.0) |
Dibao, No. (%) | Yes | 667 (81.2) | 41 (5.0) | 50 (6.1) | 63 (7.7) | 258 (37.3) | 28 (4.1) | 331 (47.9) | 74 (10.7) |
 | No | 503 (36.0) | 121 (8.6) | 114 (8.1) | 661 (47.2) | 187 (15.6) | 127 (10.6) | 305 (25.5) | 578 (48.3) |
Life events, No. (%) | No | 906 (53.0) | 123 (7.2) | 123 (7.2) | 556 (32.6) | 334 (23.3) | 121 (8.4) | 488 (34.1) | 489 (34.1) |
 | 1 | 150 (50.8) | 18 (6.1) | 22 (7.5) | 105 (35.6) | 62 (23.7) | 22 (8.4) | 87 (33.2) | 91 (34.7) |
 | ≥2 | 114 (52.5) | 21 (9.7) | 19 (8.8) | 63 (29.0) | 49 (25.3) | 12 (6.2) | 61 (31.4) | 72 (37.1) |
smoke, No. (%) | No | 857 (55.0) | 117 (7.5) | 118 (7.6) | 466 (29.9) | 309 (24.7) | 108 (8.6) | 450 (35.9) | 386 (30.8) |
 | Yes | 313 (47.3) | 45 (6.8) | 46 (6.9) | 258 (39.0) | 136 (21.4) | 47 (7.4) | 186 (29.3) | 266 (41.9) |
drink, No. (%) | No | 1136 (54.0) | 153 (7.3) | 156 (7.4) | 660 (31.4) | 434 (24.4) | 147 (8.3) | 611 (34.3) | 588 (33.0) |
 | Yes | 33 (29.5) | 9 (8.0) | 7 (6.3) | 63 (56.3) | 11 (10.5) | 8 (7.6) | 24 (22.9) | 62 (59.0) |
Physical activity, No. (%) | yes | 355 (45.8) | 63 (8.1) | 47 (6.1) | 310 (40.0) | 127 (19.5) | 68 (10.5) | 193 (29.7) | 262 (40.3) |
 | No | 815 (56.4) | 99 (6.9) | 117 (8.1) | 414 (28.7) | 318 (25.7) | 87 (7.0) | 443 (35.8) | 390 (31.5) |
BMI, No. (%) | <19 | 181 (66.8) | 19 (7.0) | 16 (5.9) | 55 (20.3) | 63 (27.3) | 18 (7.8) | 101 (43.7) | 49 (21.2) |
 | 19-24 | 801 (51.1) | 113 (7.2) | 117 (7.5) | 538 (34.3) | 296 (22.5) | 109 (8.3) | 435 (33.1) | 476 (36.2) |
 | ≥25 | 188 (49.5) | 30 (7.9) | 31 (8.2) | 131 (34.5) | 86 (25.2) | 28 (8.2) | 100 (29.3) | 127 (37.2) |
4-weeks disease, No. (%) | No | 779 (50.6) | 102 (6.6) | 113 (7.3) | 547 (35.5) | 301 (22.9) | 105 (8.0) | 436 (33.2) | 470 (35.8) |
 | acute disease in 4 weeks | 67 (59.8) | 10 (8.9) | 10 (8.9) | 25 (22.3) | 29 (27.9) | 5 (4.8) | 32 (30.8) | 38 (36.5) |
 | acute disease > 4 weeks | 21 (63.6) | 4 (12.1) | 3 (9.1) | 5 (15.2) | 9 (31.0) | 2 (6.9) | 14 (48.3) | 4 (13.8) |
 | Chronic | 293 (56.6) | 42 (8.1) | 37 (7.1) | 146 (28.2) | 100 (23.5) | 39 (9.2) | 150 (35.2) | 137 (32.2) |