Table 4.

Weighted mean/proportion (95% CI) value of demographic variables for each decile across physical activity intensity, NHANES 2003–2006–decile 1 to 5^a

Demographic variables	Unadjusted mean (95% CI) for light physical activity unadjusted mean (95% CI) for moderate-to-vigorous physical activity
	decile 1	decile 2	decile 3	decile 4	decile 5
Age
Mean age, years (n = 5,538)	59.5 (56.9–62.0)	53.0 (50.7–55.3)	52.0 (49.5–54.5)	48.9 (47.0–50.7)	48.6 (46.9–50.3)
	71.2 (69.8–72.6)	62.3 (60.9–63.7)	54.0 (51.9–56.1)	51.0 (49.6–52.5)	47.0 (45.6–48.5)
Race-ethnicity (n = 5,538)**
% Mexican Americans	3.2 (2.4–4.0)	4.8 (3.7–6.0)	6.8 (5.0–8.6)	7.4 (5.4–9.3)	7.8 (5.7–9.9)
	2.3 (1.5–3.2)	5.2 (3.5–6.9)	7.3 (5.7–8.8)	8.5 (6.3–10.7)	10.9 (8.4–13.4)
% other Hispanic	2.8 (0.5–5.1)	4.9 (0.4–9.4)	4.6 (0.2–9.0)	14.6 (8.4–20.7)	8.5 (3.2–13.7)
	2.1 (−0.06–4.4)	0.8 (−0.2–1.9)	5.7 (0.6–10.8)	9.3 (4.3–14.2)	11.7 (7.3–16.2)
% Whites	8.4 (7.3–9.6)	10.1 (8.8–11.4)	10.3 (8.6–12.0)	10.5 (9.2–11.7)	10.6 (9.2–12.0)
	7.9 (6.8–9.0)	7.7 (6.7–8.8)	8.2 (7.3–9.8)	9.6 (8.1–11.1)	9.9 (8.6–11.2)
% Blacks	6.4 (5.0–7.9)	8.7 (7.3–10.0)	8.5 (6.5–10.4)	9.2 (7.3–11.1)	11.0 (9.0–13.0)
	5.6 (3.6–7.6)	9.6 (7.6–11.6)	10.0 (8.0–12.1)	11.0 (9.0–12.9)	12.6 (10.1–15.0)
% other race	10.0 (3.3–16.6)	9.9 (5.6–14.3)	10.9 (5.5–16.2)	9.1 (4.6–13.5)	9.0 (5.2–12.7)
	3.6 (0.6–6.7)	5.8 (2.3–9.4)	13.2 (7.9–18.4)	11.0 (6.4–15.7)	13.1 (8.0–18.1)
Gender (n = 5,538)**
% males	8.4 (7.0–9.8)	10.0 (8.6–11.5)	10.3 (8.7–11.9)	9.3 (8.0–10.6)	9.1 (7.9–10.3)
	4.6 (3.6–5.5)	5.0 (4.2–5.8)	5.9 (4.9–6.8)	7.0 (5.9–8.0)	8.7 (7.2–10.2)
% females	7.1 (5.9–8.2)	8.8 (7.6–10.0)	9.1 (7.4–10.9)	11.0 (9.3–12.7)	11.4 (9.4–13.5)
	9.0 (7.7–10.4)	9.8 (8.4–11.1)	11.0 (9.9–12.2)	12.3 10.8–13.9)	12.2 (10.6–13.8)