Validation of the Netherlands physical activity questionnaire in Brazilian children

Table 1 Description of the sample in terms of demographic and socioeconomic variables. Pelotas, Brazil, 2010.

Variables	Sample interviewed		Sample interviewed and accelerometry data		p*
	N	%	N	%
Sex					0.7
Male	192	52.0	123	64.1
Female	177	48.0	116	65.5
Age					0.1
4-5 years	103	27.9	59	57.3
6-7 years	89	24.1	62	69.7
8-9 years	109	29.5	68	62.4
10-11 years	68	18.5	50	73.5
Maternal age					0.009
< 30 years	103	28.0	57	55.3
30-39 years	169	45.9	108	63.9
≥ 40 years	96	26.1	73	76.0
Socioeconomic level					0.5
A/B (higher)	44	11.9	29	65.9
C	167	45.3	113	67.7
D/E	158	42.8	97	61.4
Maternal schooling					0.006
0-4 years	64	17.4	53	82.8
5-8 years	150	40.7	89	59.3
9-11 years	107	29.1	64	59.8
≥12 years	47	12.8	32	68.1
Maternal work					0.9
Yes	171	47.1	110	64.3
No	192	52.9	125	65.1

* Chi-square test for comparison between the sample interviewed and with accelerometer data.

ISSN: 1479-5868