Table 2.

Posterior Median Values (Log Odds Ratios^a) and 95% Credible Intervals From Constrained Bayesian Estimation of Missing-Data Model Parameters in Data Set 1, Collaborative Perinatal Project, 1959–1974^b

Missing-Data Pattern	Variable
	Intercept		BMIc		Age		Abortion		Smoking		Black Race		Other Race
	PM	95% CrI	PM	95% CrI	PM	95% CrI	PM	95% CrI	PM	95% CrI	PM	95% CrI	PM	95% CrI
1	−3.73	−4.08, −3.39d			1.64	0.34, 2.77d	1.07	0.81, 1.32d	1.06	0.91, 1.22d	0.08	−0.10, 0.27	−0.41	−0.90, 0.03
2	−6.41	−7.01, −5.57d	3.50	0.32, 6.25d	3.08	0.90, 4.91d			0.98	0.63, 1.32d	−0.15	−0.57, 0.25	0.41	−0.32, 1.02
3	−2.76	−2.95, −2.52d			1.21	0.34, 1.89d			1.11	0.99, 1.22d	−0.05	−0.18, 0.09	0.12	−0.14, 0.37
4	−3.45	−3.92, −3.14d	1.24	−0.43, 2.46	0.98	0.31, 2.54d	1.73	1.49, 1.96d			−0.07	−0.25, 0.11	−0.46	−0.89, −0.08d
5	−3.43	−3.65, −3.13d			1.61	0.63, 2.53d	1.41	1.14, 1.67d			0.05	−0.13, 0.22	0.07	−0.29, 0.39
6	−2.94	−3.35, −2.64d	1.73	0.47, 3.09d	1.35	0.18, 2.41d					0.09	−0.05, 0.22	0.07	−0.19, 0.33
7	−4.15	−4.80, −3.68d			−2.12	−4.17, 0.19					−0.06	−0.50, 0.38	−1.39	−3.24, −0.14d

Abbreviations: BMI, body mass index; CrI, credible interval; PM, posterior median.

^a Log odds of observing the specific missing-data pattern per unit change in the relevant covariate.

^b Data were obtained from Perkins et al. (1).

^c Weight (kg)/height (m)².

^d 95% CrI excludes 0.