Childhood physical punishment or maltreatment and partnership outcomes at age 30.

Childhood physical abuse is known to be associated with impaired outcomes in adulthood (e.g., particularly for mental and physical health). However, relatively little is known about adult partnership outcomes for those exposed to childhood physical punishment or maltreatment. This study aims to examine the associations between childhood physical punishment or maltreatment and partnership outcomes at age 30. This investigation analyzed data from a birth cohort of more than 900 New Zealand adults studied to age 30. At ages 18 and 21, cohort members reported on the extent of exposure to childhood physical punishment or maltreatment prior to age 16. Measures of partner relations were collected up to age 30. After adjustment for childhood social, family, and related factors, increasing exposure to childhood physical punishment or maltreatment was associated with greater negative partner relationships (p=.002), partner social adjustment problems (p=.006), interpartner violence victimization (p=.010), and interpartner violence perpetration (p=.019). However, after adjustment, the association between childhood physical punishment or maltreatment and the number of cohabiting relationships was no longer statistically significant (p=.151). Interactions between childhood physical punishment or maltreatment and gender were tested for each of the outcomes. This analysis showed an interactive relationship between childhood physical punishment or maltreatment and partner social adjustment problems in which childhood physical punishment or maltreatment for females, but not males, was associated with partner social adjustment problems. These findings suggest that increasing exposure to childhood physical punishment or maltreatment is associated with impaired partnership outcomes: more negative partner relations, increased reports of a partner with social adjustment problems, and higher levels of interpartner violence.