Fig. 1From: Long-time sickness absence among parents of pre-school children with cerebral palsy, spina bifida and down syndrome: a longitudinal studyDifference in the sickness absence of mothers with and without a child with special needs (control group), based on estimates from Table 2. Note: p < 0.05 indicates a significant difference in the sickness absence prior to and after the birth compared to that of the control group Back to article page