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Table 3 Univariate fixed effects regression of the association between flexibility score and maternal mortality ratio in 162 countries, 1985–2013 (N = 4212, n = 162)

From: Abortion laws reform may reduce maternal mortality: an ecological study in 162 countries

Flexibility score as a 7 level categorical variable (Baseline = Score 0)
Score Coefficient 95% Confidence interval p-value
 Score 1 −28 (−80, 24) 0.294
 Score 2 −42 (− 106, 22) 0.198
 Score 3 −144 (− 206, 83) < 0.001
 Score 4 −85 (− 149, −22) 0.009
 Score 5 − 180 (− 240, − 120) < 0.001
 Score 6 −97 (− 186, − 8) 0.033
 Score 7 − 138 (− 197, −78) < 0.001
 Constant 388 (336, 440) < 0.001
Flexibility score as a binary variable (Score < 3 versus > = 3)
 Flexibility Score > =3 −109 (− 133, −84) < 0.001
 Constant 359 (343, 376) < 0.001
  1. Score1: abortion is legally allowed for only 1 reason, Score 2: abortion is legally allowed for 2 reasons, and so on. N = total no. of observations, n = number of countries