Table 1.

Reported 1-year prevalence of any headache in participating sample by age

Age (years)	Proportion reporting headache in thelast year
	n	% (95 % CI)
18–25	41	78.8 (67.9–90.1)
25–29	29	96.7 (90.9–100)
30–34	41	89.1 (80.0–98.0)
35–39	44	86.3 (76.5–95.5)
40–44	71	88.8 (82.1–95.9)
45–49	42	79.2 (68.0–90.0)
50–54	41	70.7 (59.3–82.7)
55–59	35	60.3 (47.4–72.6)
60–65	29	49.2 (36.2–61.8)