. 2010 Sep 2;128(5):276–283. doi: 10.1590/S1516-31802010000500007

Table 2. Socioeconomic index and some of its indicators that were associated with Bayley III screening subtest scores among infants.

Variables		Bayley III screening subtests
	Total n (%)	Cognitive			Receptive communication			Gross motor
		C	E	P	C	E	P	C	E	P
		n (%)	n (%)	P	n (%)	n (%)	P	n (%)	n (%)	P
Socioeconomic index
Lowest quartile	27 (19.9)	22 (81.5)	5 (18.5)	0.33^*	11 (40.7)	16 (59.3) 40 (36.7)	0.05	23 (85.2)	4 (14.8)	0.48^*
Higher quartiles	109 (80.1)	97 (89.0)	12 (11.0)	0.33^*	69 (63.3)	16 (59.3) 40 (36.7)	0.05	99 (90.8)	10 (9.2)	0.48^*
Family size
≤ 4	60 (44.1)	51 (85.0)	9 (15.0)	0.60	38 (63.3)	22 (36.7)	0.44	49 (81.7)	11 (18.3)	0.01
> 4	76 (55.9)	68 (89.5)	8 (10.5)	0.60	42 (55.3)	34 (44.7)	0.44	73 (96.1)	3 (3.9)	0.01
Head of family’s employment
Unemployed	72 (52.9)	58 (80.6)	14 (19.4)	0.02	36 (50.0)	36 (50.0)	0.04	62 (86.1)	10 (13.9)	0.24
Employed	64 (47.1)	61 (95.3)	3 (4.7)	0.02	44 (68.8)	20 (31.3)	0.04	60 (93.8)	4 (6.3)	0.24
House ownership
Borrowed	68 (50.0)	60 (88.2)	8 (11.8)	0.99	32 (47.1)	36 (52.9)	0.009	60 (88.2)	8 (11.8)	0.97
Rented/Owned	68 (50.0)	59 (86.8)	9 (13.2)	0.99	48 (70.6)	20 (29.4)	0.009	52 (89.7)	6 (10.3)	0.97
Toilet
None/latrine	14 (10.3)	9 (64.3)	5 (35.7)	0.02^*	4 (28.6)	10 (71.4)	0.03	14 (100)	0	0.36^*
Flush	122 (89.7)	110 (90.2)	12 (9.8)	0.02^*	76 (62.3)	46 (37.7)	0.03	108 (88.5)	14 (11.5)	0.36^*
Radio
No	34 (25.0)	26 (76.5)	8 (23.5)	0.03^*	21 (61.8)	13 (38.2)	0.84	28 (82.4)	6 (17.6)	0.11^*
Yes	102 (75.0)	93 (91.2)	9 (8.8)	0.03^*	59 (57.8)	43 (42.2)	0.84	94 (92.2)	8 (7.8)	0.11^*
Television
No	7 (5.1)	5 (71.4)	2 (28.6)	0.21^*	2 (28.6)	5 (71.4)	0.12^*	4 (57.1)	3 (42.9)	0.02^*
Yes	129 (94.9)	114 (88.4)	15 (11.6)	0.21^*	78 (60.5)	51 (39.5)	0.12^*	118 (91.5)	11 (8.5)	0.02^*

C = Competent; E = Emerging

Fisher exact test.