Table 5.

Bootstrapped regression coefficients, odds ratios and confidence intervals for second grade best and near best models.

Model #	Predictor	β	B	95% CI B		Odds Ratio	95% CI Odds Ratio
1	LI	.85	1.58	1.23	1.93	4.85	3.43	6.86
2	SI	.94	1.58	1.13	2.04	4.86	3.09	7.66
	LI	.75	1.39	.99	1.78	4.01	2.70	5.95
3	SI	.98	1.62	1.12	2.12	5.04	3.06	8.32
	LI	.70	1.28	.83	1.73	3.59	2.29	5.63
	ME	.46	.81	.14	1.48	2.24	1.15	4.38
4	SI	.88	1.47	.99	1.94	4.33	2.69	6.97
	LI	.65	1.20	.81	1.60	3.32	2.24	4.94
	RN	−.30	−.51	−.85	−.18	.60	.43	.83
5	SI	.77	1.30	.79	1.82	3.68	2.20	6.17
	LI	.69	1.26	.85	1.66	3.51	2.34	5.25
	PD	.47	.85	.41	1.29	2.34	1.51	3.63
6	SI	.86	1.44	.97	1.91	4.22	2.64	6.76
	LI	.71	1.31	.90	1.72	3.71	2.47	5.58
	NI	.32	.55	.19	.90	1.72	1.21	2.47
7	SI	.81	1.37	.88	1.85	3.92	2.42	6.35
	LI	.74	1.35	.95	1.76	3.87	2.58	5.81
	OV	.27	.48	.06	.90	1.61	1.06	2.46
8	SI	.84	1.41	.94	1.89	4.10	2.55	6.61
	LI	.70	1.29	.88	1.70	3.64	2.42	5.47
	GU	.22	.39	.08	.70	1.48	1.08	2.02
9	SI	.86	1.45	.98	1.92	4.26	2.67	6.80
	LI	.71	1.31	.91	1.71	3.70	2.49	5.50
	NC	.19	.32	.03	.62	1.38	1.03	1.85
10	SI	.94	1.53	1.00	2.07	4.63	2.70	7.91
	LI	.60	1.10	.64	1.55	3.00	1.90	4.73
	ME	.48	.83	.10	1.56	2.30	1.11	4.76
	RN	−.28	−.47	−.87	−.08	.62	.42	.92
11	SI	.78	1.28	.73	1.82	3.58	2.07	6.20
	LI	.65	1.18	.72	1.65	3.27	2.06	5.19
	PD	.59	1.05	.54	1.57	2.86	1.71	4.80
	ME	.40	.70	.04	1.35	2.01	1.04	3.86
12	SI	.91	1.49	.97	2.00	4.41	2.64	7.39
	LI	.67	1.21	.76	1.65	3.35	2.15	5.22
	ME	.47	.82	.13	1.50	2.26	1.14	4.50
	NC	.21	.37	.01	.72	1.44	1.01	2.06
13	SI	.89	1.46	.95	1.97	4.30	2.58	7.16
	LI	.70	1.27	.82	1.73	3.57	2.26	5.64
	ME	.44	.76	.10	1.42	2.14	1.11	4.15
	OV	.20	.36	.13	.84	1.43	1.14	2.33
14	SI	.92	1.51	.98	2.04	4.53	2.67	7.68
	LI	.69	1.25	.80	1.71	3.50	2.22	5.54
	ME	.45	.77	.10	1.45	2.17	1.10	4.26
	PV	.16	.27	.15	.68	1.30	1.17	1.98
15	SI	.73	1.21	.69	1.74	3.36	1.99	5.69
	LI	.61	1.11	.70	1.52	3.03	2.00	4.57
	PD	.46	.82	.37	1.28	2.28	1.45	3.59
	RN	−.28	−.48	−.81	−.15	.62	.45	.86
16	SI	.94	1.54	1.02	2.06	4.65	2.76	7.83
	LI	.67	1.22	.76	1.68	3.38	2.13	5.37
	ME	.43	.75	.08	1.41	2.11	1.08	4.12
	NI	.20	.34	.04	.71	1.40	1.04	2.04
17	SI	.92	1.51	1.00	2.01	4.50	2.72	7.45
	LI	.67	1.21	.75	1.68	3.35	2.11	5.34
	ME	.42	.74	.08	1.41	2.10	1.08	4.10
	GU	.15	.26	.08	.59	1.29	1.09	1.81
18	SI	.95	1.56	1.04	2.07	4.74	2.83	7.94
	LI	.70	1.28	.83	1.73	3.59	2.29	5.65
	ME	.46	.81	.14	1.47	2.24	1.15	4.36
	NE	.09	.16	.22	.54	1.18	1.24	1.72
19	SI	.90	1.48	.95	2.00	4.38	2.60	7.40
	LI	.69	1.25	.80	1.70	3.49	2.23	5.48
	ME	.45	.78	.10	1.47	2.19	1.10	4.34
	GC	.12	.20	.20	.60	1.23	1.22	1.83
20	SI	.76	1.23	.65	1.82	3.43	1.91	6.16
	LI	.58	1.04	.57	1.51	2.84	1.77	4.55
	PD	.56	1.00	.46	1.55	2.72	1.58	4.70
	ME*	.42	.71	−.01	1.43	2.04	.99	4.19
	RN	−.24	−.41	−.81	−.01	.66	.44	.99
21	SI	.67	1.07	.42	1.72	2.91	1.52	5.58
	LI	.57	1.01	.53	1.49	2.75	1.70	4.44
	PD	.53	.92	.36	1.48	2.51	1.43	4.41
	ME*	.42	.70	−.02	1.42	2.02	.98	4.14
	RN*	−.19	−.31	−.73	.10	.73	.48	1.11
	NC*	.14	.24	−.14	.62	1.27	.87	1.86
	NI*	.06	.10	−.31	.51	1.11	.73	1.67
	PV*	.09	.14	−.32	.60	1.15	.73	1.83

^*The regression coefficient (β) is considered to be nonsignificant within the model when its 95% confidence interval includes zero.

Note. SI = Sentence imitation; LI = Letter identification; ME = Mother’s education level; RN = Rapid naming; PD = Phoneme deletion; NI = Nonverbal IQ; OV = Oral vocabulary; GU = Grammatical understanding; NC = Narrative comprehension; PV = Picture vocabulary; NE = Narrative expression; GC = Grammatical completion.