Table 1.
Characteristics of the study sample from the national epidemiological survey of transient ischemic attacks (TIAs) in China, 2013.
| Characteristic | Prevalence |
Incidence |
||||
|---|---|---|---|---|---|---|
| No. | % | Weighteda (%) | No. | % | Weighteda (%) | |
| Age group | ||||||
| 0–24 | 160,382 | 26.9 | 33.8 | 166,840 | 28.0 | 34.7 |
| 25–34 | 91,435 | 15.3 | 14.9 | 89,597 | 15.0 | 15.1 |
| 35–44 | 99,582 | 16.7 | 18.3 | 102,999 | 17.3 | 18.5 |
| 45–54 | 93,763 | 15.7 | 13.9 | 90,667 | 15.2 | 13.4 |
| 55–64 | 80,155 | 13.4 | 10.5 | 78,075 | 13.1 | 10.2 |
| 65–74 | 44,840 | 7.5 | 5.5 | 43,245 | 7.3 | 5.3 |
| 75–84 | 22,200 | 3.7 | 2.6 | 20,585 | 3.5 | 2.4 |
| ≥85 | 4,179 | 0.7 | 0.5 | 3,703 | 0.6 | 0.4 |
| Sex | ||||||
| Men | 300,192 | 50.3 | 51.1 | 299,725 | 50.3 | 51.1 |
| Women | 296,344 | 49.7 | 48.9 | 295,986 | 49.7 | 48.9 |
| Ethnicity | ||||||
| Han | 521,343 | 87.4 | 91.8 | 518,151 | 87.0 | 91.4 |
| Other | 75,193 | 12.6 | 8.2 | 77,560 | 13.0 | 8.6 |
| Education, n (%) | ||||||
| Primary school | 248,916 | 41.7 | 39.6 | 245,192 | 41.2 | 38.9 |
| Middle school | 294,209 | 49.3 | 49.0 | 294,193 | 49.4 | 49.2 |
| College and higher | 51,730 | 8.7 | 11.2 | 51,721 | 8.7 | 11.3 |
| Missing | 1,681 | 0.3 | 0.2 | 4,605 | 0.8 | 0.5 |
| Marital status, n (%) | ||||||
| Married | 391,160 | 65.6 | 60.9 | 391,124 | 65.7 | 61.2 |
| Single | 116,817 | 19.6 | 24.0 | 115,438 | 19.4 | 23.8 |
| Widowed | 32,734 | 5.5 | 4.2 | 32,731 | 5.5 | 4.2 |
| Other | 53,735 | 9.0 | 10.6 | 51,402 | 8.6 | 10.2 |
| Missing | 2,090 | 0.4 | 0.2 | 5,016 | 0.8 | 0.6 |
| Occupation, n (%) | ||||||
| Students | 108,978 | 18.3 | 23.1 | 105,510 | 17.7 | 22.4 |
| Worker | 45,021 | 7.5 | 8.7 | 45,004 | 7.6 | 8.8 |
| Farmer | 271,068 | 45.4 | 38.6 | 270,916 | 45.5 | 38.8 |
| Employee | 46,676 | 7.8 | 9.8 | 46,674 | 7.8 | 9.9 |
| Entrepreneurs | 52,518 | 8.8 | 10.2 | 52,516 | 8.8 | 10.2 |
| Retiree or homemaker | 66,169 | 11.1 | 8.7 | 66,145 | 11.1 | 8.7 |
| other | 4,439 | 0.7 | 0.7 | 4,356 | 0.7 | 0.7 |
| Missing | 1,667 | 0.3 | 0.2 | 4,590 | 0.8 | 0.5 |
| Place of residence | ||||||
| Urban | 248,570 | 47.4 | 52.9 | 248,090 | 47.4 | 52.8 |
| Rural | 347,966 | 52.6 | 47.1 | 347,621 | 52.6 | 47.2 |
| Geographic location | ||||||
| Eastern China | 201,354 | 33.8 | 40.7 | 201,196 | 33.8 | 40.7 |
| Central China | 239,735 | 40.2 | 32.0 | 239,288 | 40.2 | 32.0 |
| Western China | 155,447 | 26.1 | 27.3 | 155,227 | 26.1 | 27.3 |
aComplex sample weights were used to obtain nationally representative estimates.