. 2007 Mar;97(3):515–519. doi: 10.2105/AJPH.2005.070144

TABLE 1—

Prevalence of Perceived Barriers to Physical Activity in a Cross-Sectional Sample, Stratified by Demographic, Socioeconomic, and Behavioral Variables: Pelotas, Brazil, October–December 2003

	Perceived Barrier to Physical Activity
	Lack of Money	Feel Too Tired	Lack of Company	Lack of Time	Have an Injury or Disease	Fear of Injury	Dislike Exercising	Feel Too Old
Overall	40.3	38.1	32.2	31.5	23.2	19.5	15.1	6.8
Gender, P	<.001^a	<.001^a	<.001^b	.01^a	<.001^a	.81^a	<.001^a	.04^a
Men	33.6	28.0	26.7	29.1	20.2	19.7	12.1	5.7
Women	45.6	45.9	36.5	33.4	25.5	19.4	17.4	7.5
Skin color, P	<.001^a	.49^a	.78^a	.35^a	.35^a	.02^a	.91^a	.13^a
White	38.2	38.4	32.3	31.9	23.6	18.7	15.0	6.4
Non-White^c	49.4	36.8	31.7	29.9	21.6	23.0	15.2	8.2
Age, y, P	<.001^a	.02^a	.001^b	<.001^b	<.001^b	<.001^b	<.001^b	<.001^b
20–29	32.7	42.2	37.0	34.7	12.8	11.1	10.9	1.6
30–49	42.6	35.9	32.6	35.8	18.2	16.2	14.3	4.5
50–59	47.3	36.1	28.9	29.8	29.8	22.1	15.3	5.9
60–69	41.7	36.9	26.1	19.4	40.2	31.0	18.7	10.6
≥ 70	36.6	42.8	28.6	15.5	50.0	45.5	27.7	32.7
Wealth status,^dP	<.001^b	.93^b	.98^b	.74^b	.27^b	<.001^b	.93^b	<.001^b
A/B^e	26.0	38.8	31.6	30.1	23.6	12.5	16.7	3.4
C	38.9	37.0	32.6	32.7	20.6	18.3	13.1	5.0
D	49.8	39.0	33.4	31.7	25.2	24.2	15.8	9.3
E	53.5	37.8	27.8	30.3	25.1	27.8	15.9	15.6
BMI (kg/m²), P	.20^b	.01^a	.07^b	.91^b	<.001^b	.004^b	<.001^a	.03^a
< 18.5	35.8	42.4	32.8	26.9	23.9	19.4	28.4	7.5
18.5–24.9	37.3	36.6	30.5	32.1	18.7	16.1	13.0	4.4
25.0–29.9	39.0	33.6	32.3	29.6	23.9	17.3	12.9	6.7
≥ 30.0	40.7	42.9	36.2	32.5	30.8	25.1	19.1	8.2
Physical activity level, P	<.001^b	<.001^b	<.001^b	<.001^b	<.001^b	.21^b	<.001^b	<.001^b
Sedentary	46.4	44.6	34.3	41.5	26.4	19.9	20.9	8.4
Insufficiently active	35.2	34.1	35.3	27.2	19.9	21.5	8.0	6.2
Sufficiently active	29.9	26.6	25.8	12.5	18.1	17.4	6.9	3.6

Note. BMI = body mass index.

^a Wald test for heterogeneity.

^b Wald test for trend.

^c Black or mixed (falling between Black and White).

^d Wealth status was determined according to the Brazil Criterion of Economic Classification.

^e Categories A and B were merged for this analysis.