From: Impact of birthweight on health-care utilization during early childhood – a birth cohort study
RR [95% CI] | |
---|---|
Natural logarithm of observation time measured in continuous years | 0.78 [0.77, 0.79] |
Weight group * perinatal hospitalization (reference: Reference group without perinatal hospitalization) | |
VLBW with perinatal hospitalization | 3.92 [3.63, 4.23] |
LBW without perinatal hospitalization | 1.31 [1.21, 1.42] |
LBW with perinatal hospitalization | 2.34 [2.25, 2.44] |
Reference group with perinatal hospitalization | 1.49 [1.46, 1.53] |
Sex (reference: female) | 1.31 [1.29, 1.33] |
Area (reference: urban) | 1.37 [1.35, 1.40] |