Table 2.

Odds ratios [95 % confidence intervals] for gestational diabetes mellitus by Bavarian Index of Multiple Deprivation (BIMD) quintile in 2008 and 2014 (based on n = 81,129 and n = 92,589 observations, respectively) as categorical variables, and by maternal obesity, age, migration background and single mother status, both crude and mutually adjusted

BIMD	2008, crude	2008, adjusted	2014, crude	2014, adjusted
Quintile 1 (least deprived)	Reference	Reference	Reference	Reference
Quintile 2	0.99 [0.85, 1.15]	0.99 [0.85, 1.15]	0.92 [0.80, 1.06]	0.93 [0.81, 1.08]
Quintile 3	0.97 [0.86, 1.10]	0.92 [0.81, 1.04]	1.12 [1.001, 1.24]	1.07 [0.95, 1.20]
Quintile 4	1.04 [0.90, 1.19]	1.01 [0.88, 1.16]	1.06 [0.94, 1.20]	1.09 [0.96, 1.24]
Quintile 5 (most deprived)	0.79 [0.70, 0.90]	0.76 [0.66, 0.86]	1.07 [0.96, 1.19]	1.05 [0.93, 1.18]
Maternal obesity	3.07 [2.81, 3.35]	3.19 [2.92, 3.49]	3.53 [3.28, 3.80]	3.71 [3.43, 4.00]
Maternal age ≥35 years	1.54 [1.42, 1.67]	1.56 [1.44, 1.69]	1.64 [1.53, 1.75]	1.69 [1.57, 1.82]
Migration background	1.44 [1.32, 1.56]	1.52 [1.39, 1.67]	1.60 [1.49, 1.71]	1.68 [1.55, 1.82]
Single mother status	1.56 [1.34, 1.81]	1.46 [1.25, 1.71]	1.31 [1.14, 1.50]	1.27 [1.10, 1.46]

Significant associations (p < 0.05) are shown in bold face