| Asthma | Allergic rhinitis | Dermatitis/ eczema | Dental diseases | URI | Influenza/ pneumonia | Intestinal infections | Conjunc-tivitis | Injury |
---|---|---|---|---|---|---|---|---|---|
IR (95% CI) | IR (95% CI) | IR (95% CI) | IR (95% CI) | IR (95% CI) | IR (95% CI) | IR (95% CI) | IR (95% CI) | IR (95% CI) | |
Explanatory variable | |||||||||
 Single-parenthood | |||||||||
  No | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
  Yes | 1.62 (1.16–2.26) | 1.41 (1.07–1.86) | 1.81 (1.21–2.70) | 1.79 (1.33–2.42) | 1.25 (1.03–1.50) | 1.02 (0.82–1.27) | 1.36 (0.92–2.01) | 1.24 (0.84–1.84) | 0.98 (0.58–1.67) |
Covariates | |||||||||
 Age | |||||||||
  by 1 year | 0.93 (0.91–0.96) | 1.00 (0.97–1.03) | 0.89 (0.86–0.93) | 0.99 (0.97–1.02) | 0.95 (0.94–0.97) | 0.95 (0.93–0.97) | 0.86 (0.83–0.90) | 0.97 (0.93–1.01) | 1.10 (1.04–1.17) |
 Sex | |||||||||
  Girl | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
  Boy | 1.15 (0.87–1.52) | 1.17 (0.92–1.48) | 1.29 (0.93–1.78) | 0.90 (0.71–1.15) | 1.04 (0.89–1.22) | 1.14 (0.93–1.41) | 1.44 (1.02–2.04) | 0.90 (0.64–1.27) | 1.40 (0.81–2.41) |
 Presence of siblings | |||||||||
  Only child | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
  Have siblings | 0.83 (0.62–1.12) | 0.89 (0.69–1.15) | 0.72 (0.51–1.02) | 0.88 (0.68–1.13) | 0.82 (0.69–0.97) | 0.85 (0.68–1.06) | 0.75 (0.52–1.08) | 0.75 (0.51–1.09) | 1.28 (0.7–2.31) |
 Parent’s work | |||||||||
  No | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
  Yes | 0.83 (0.62–1.11) | 0.89 (0.69–1.14) | 0.98 (0.69–1.40) | 0.91 (0.71–1.17) | 1.02 (0.86–1.21) | 1.05 (0.84–1.30) | 0.74 (0.49–1.13) | 0.62 (0.42–0.91) | 0.89 (0.5–1.57) |
 Nationality | |||||||||
  Japanese | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
  Others | 0.69 (0.31–1.50) | 0.91 (0.52–1.60) | 0.91 (0.43–1.91) | 1.81 (1.27–2.57) | 0.87 (0.6–1.27) | 0.63 (0.36–1.11) | 0.86 (0.6–1.23) | 1.15 (0.57–2.31) | 1.66 (0.6–4.64) |
 Municipality | |||||||||
  A | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
  B | 0.94 (0.69–1.27) | 1.53 (1.21–1.93) | 0.82 (0.57–1.17) | 1.26 (0.98–1.63) | 1.14 (0.96–1.35) | 1.22 (0.99–1.51) | 0.52 (0.34–0.79) | 0.95 (0.65–1.40) | 3.55 (2.05–6.16) |