Table 4

RGL and risk of grand multiparity, adjusted for covariates

OR95% CIp Value
RGL (reference: ≥12th)
 <5th1.941.07 to 3.530.029
 5–6th1.841.02 to 3.320.044
 7–8th0.970.51 to 1.820.914
 9–11th0.760.43 to 1.340.350
Race/ethnicity (reference : non-Black, non-Hispanic)
 Hispanic2.991.27 to 3.170.003
 Black1.370.87 to 2.150.178
Poverty status (reference: not in poverty)1.210.85 to 1.730.300
Age in 19800.980.95 to 1.020.319
Parous in 1980 (reference: nulliparous)2.862.03 to 4.01<0.0001
  • RGL, Reading Grade Level.