Table V.
Abuse during childhood and risk of adult-onset asthma during later years of follow-up, BWHS, 2005–2011
| Cases/person-years | Multivariable IRR* (95% CI) | |
|---|---|---|
| No abuse as child or teen | 83/58155 | 1.0 |
| Any child abuse | 138/67542 | 1.34 (0.95–1.88) |
| Type of childhood abuse | ||
| Physical abuse only | 92/42606 | 1.46 (1.03–2.09) |
| Sexual abuse only | 11/8462 | 0.90 (0.47–1.72) |
| Physical and sexual abuse | 35/16474 | 1.32 (0.83–2.13) |
| Frequency of childhood physical abuse | ||
| Low | 56/26626 | 1.42 (0.96–2.10) |
| Intermediate | 27/12973 | 1.39 (0.84–2.29) |
| High | 44/19481 | 1.47 (0.90–2.38) |
| Frequency of childhood sexual abuse | ||
| 1–3 incidents | 29/17263 | 0.99 (0.50–1.95) |
| 4+ incidents | 17/7673 | 1.22 (0.54–2.79) |
Adjusted for age, calendar time, parental history of asthma (yes, no, unknown), income (<=$25,000, $25,001–$50,000, $50,001–$100,000, >$100,000, missing), number in household supported by the income (1, 2, 3–4, 5+, missing), years of education (<=12, 13–15, 16, 17+), years of hormone therapy use (never, <5 years, >=5 years, missing), BMI (<25, 25–29, 30–34, 35–39, 40+, missing) hours/week vigorous exercise (none, <5, 5+,missing), 2nd hand smoke exposure at ages 0–10, 11–20, 21–30, 31–40 and currently (yes, no, missing), current smoking (yes, no), pack-years of smoking (never smoke, <5, 5–14, 15–24, 25+, missing), alcohol consumption (never, past, current 1–3/week, 4–6/week, 7–13/week, 14+/week, missing) and adolescent abuse (ever, never). Physical abuse variables are adjusted for sexual abuse and sexual abuse is adjusted for physical abuse.