ORs and 95% CIs for associations between wheeze in the last 12 months and age at migration and time since migration, stratified by direction of migration. ORs adjusted for age, sex and socioeconomic variables
| Rural to urban | Urban to urban | ||||||
| Dimensions | Categories | OR* | (95% CI) | p | OR* | (95% CI) | p |
| Age at migration (years) | Non-migrant | 1 | 1 | ||||
| ≤3 vs NM | 1.05 | (0.44 to 2.49) | 0.909 | 1.30 | (0.76 to 2.19) | 0.319 | |
| >3 vs NM | 2.51 | (1.56 to 3.97) | <0.001 | 0.67 | (0.38 to 1.18) | 0.164 | |
| Time since migration (years) | Non-migrant | 1 | 1 | ||||
| <3 | 2.34 | (1.26 to 4.33) | 0.007 | 0.94 | (0.51 to 1.73) | 0.840 | |
| 3–5 | 3.03 | (1.49 to 6.15) | 0.002 | 0.41 | (0.15 to 1.13) | 0.086 | |
| >5 | 1.15 | (0.54 to 2.46) | 0.714 | 1.28 | (0.74 to 2.20) | 0.374 | |
*OR adjusted by sex, age, farm environment, quality of the house and consumption junk food.