Table 2.
Determinants of anemia among Chinese childbearing women from Chinese National Nutrition and Health Survey 2010–2012 (logistic regression).
| Variables | Total (n = 14473) odds ratio |
P |
|---|---|---|
| Age group | ||
| 18–29 years old | ref | |
| 30–39 years old | 1.260(1.087–1.461) | 0.004 |
| 40–49 years old | 1.459(1.002–1.339) | 0.552 |
| Region type | ||
| Large cities | ref | |
| Small and medium-sized cities | 1.167(0.999–1.364) | 0.044 |
| Ordinary rural areas | 1.003(0.848–1.187) | 0.157 |
| Poor rural areas | 1.125(0.917–1.380) | 0.417 |
| Ethnicity | ||
| Other | ref | |
| Han | 1.148(0.967–1.362) | 0.115 |
| Latitude | ||
| South | ref | |
| North | 1.043(0.930–1.169) | 0.474 |
| Season | ||
| Autumn | ref | |
| Spring | 2.659(2.070–3.417) | <0.0001 |
| Summer | 1.478(1.229–1.779) | 0.907 |
| Winter | 1.258(1.090–1.452) | 0.006 |
| BMI level | ||
| BMI < 24 | ref | |
| 24 ≤ BMI < 28 | 0.925(0.821–1.042) | 0.514 |
| BMI ≥ 28 | 0.934(0.821–1.042) | 0.747 |
| Education | ||
| College and above | ref | |
| Primary school | 1.286(1.027–1.610) | 0.117 |
| Middle school | 1.300(1.065–1.585) | 0.027 |
| Annual family income (yuan) | ||
| 40,000– | ref | |
| <10,000 | 1.173(0.881–1.562) | 0.077 |
| 10,000–19,999 | 0.958(0.718–1.278) | 0.078 |
| 20,000–29,999 | 0.945(0.687–1.301) | 0.160 |
| 30,000–39,999 | 1.241(0.851–1.811) | 0.188 |
| Smoke habits | ||
| Smoke daily | ref | |
| No or occasionally | 1.484(1.016–2.167) | 0.041 |