Bone Mineral Density in the Noninstitutionalized Elderly: Influence of Sociodemographic and Anthropometric Factors

Table 2

Bone mineral density in the elderly, by sex, and association with sociodemographic and lifestyle variables, Goiânia, GO, 2009. .

Variables	(%)	Bone mineral density
		Men		Women
		Average ± SD	value	Average ± SD	value
Age			0.160		0.019
60–64	26 (19.70)	1.22 ± 0.14		1.06 ± 0.13
65–69	43 (32.58)	1.88 ± 0.10		1.08 ± 0.09
70–74	33 (25.00)	1.17 ± 0.11		1.05 ± 0.13
75–79	18 (13.64)	1.16 ± 0.14		0.99 ± 0.10
Over 80	12 (9.09)	1.06 ± 0.10		0.93 ± 0.09
Living with partner^‡			0.251		0.971
Yes	76 (57.58)	1.18 ± 0.11		1.04 ± 0.09
No	56 (42.42)	1.13 ± 0.14		1.04 ± 0.13
Income quartile			0.707		0.225
1st quartile	33 (25.58)	1.03 ± 0.12		1.19 ± 0.10
2nd quartile	32 (24.81)	1.06 ± 0.10		1.14 ± 0.13
3rd quartile	32 (24.81)	1.03 ± 0.12		1.14 ± 0.09
4th quartile	32 (24.81)	1.06 ± 0.11		1.22 ± 0.14
Years of school			0.011		0.606
0–4	77 (63.11)	1.14 ± 0.11		1.03 ± 0.12
5–7	22 (18.03)	1.13 ± 0.11		1.00 ± 0.11
Over 8	23 (18.85)	1.24 ± 0.11		1.05 ± 0.07
Tobacco use^†			0.105		0.927
Nonsmoker	64 (48.48)	1.19 ± 0.13		1.04 ± 0.11
Ex-smoker	54 (40.91)	1.09 ± 0.11		1.06 ± 0.14
Smoker	14 (10.61)	1.17 ± 0.11		1.04 ± 0.11
Excessive consumption of alcohol^‡			0.955		0.4713
No	123 (93.18)	1.17 ± 0.11		1.04 ± 0.11
Yes	9 (6.82)	1.17 ± 0.16		1.10 ± 0.08
Physical activity			0.525		0.205
Sedentary	66 (50.00)	1.18 ± 0.13		1.03 ± 0.11
Moderate activity	31 (23.48)	1.20 ± 0.10		1.08 ± 0.12
Vigorous activity	35 (26.52)	1.15 ± 0.12		1.04 ± 0.11

ANOVA; ^‡-test, ^†Kruskal-Wallis.