Table 1. Prevalence of happiness by sex and age. Campinas, SP, Southeastern Brazil, 2008.

Age groups	Males				Females				Differences by sex
	Happiness
	n	%a	95%CI	pb	n	%a	95%CI	pb		pc
60	218	82.0	74.6–87.6	0.1618	256	75.7	68.4–81.7	0.1379		0.0606
65	132	83.9	75.8–89.7		214	77.9	70.5–83.8			0.2099
70	116	75.1	66.1–82.4		164	68.9	58.6–77.6			0.3882
75	81	72.0	63.8–78.9		136	72.5	62.5–80.7			0.9204
≥ 80	66	79.2	66.2–88.1		131	66.5	55.6–73.6			0.0793

^a Weighted.

^b p-value related to age differences in each sex (at the 5% level).

^c p-value related to the differences between sexes in each age group (at the 5% level).