Table 1.

All primary headache disorders by age and gender

All headache Age group	N	No headache, n (%) [95% CI]	All-MIG		All-MIG + TTH		All-TTH		Unclassifiable n (%) (95% CI)
			Prob MIG n (%) [95% CI]	MIG n (%) [95% CI]	Prob MIG + Prob TTH n (%) [95% CI]	MIG  + TTH n (%) [95% CI]	Prob TTH n (%) [95% CI]	TTH n (%) [95% CI]
All
18–25	1,290	355 (27.5) [25.1–30]	75 (5.8) [4.5–7.1]	166 (12.9) [11–14.7]	134 (10.4) [8.7–12.1]	85 (6.6) [5.2–7.9]	139 (10.8) [9.1–12.5]	51 (4) [2.9–5]	285 (22.1) [19.8–24.4]
26–35	1,661	474 (28.5) [26.4–30.7]	98 (5.9) [4.8–7]	254 (15.3) [13.6–17]	181 (10.9) [9.4–12.4]	98 (5.9) [4.8–7]	168 (10.1) [8.7–11.6]	64 (3.9) [2.9–4.8]	324 (19.5) [17.6–21-4]
36–45	2,463	871 (35.4) [33.5–37.3]	103 (4.2) [3.4–5]	417 (16.9) [15.5–18.4]	198 (8) [7–9.1]	144 (5.8) [4.9–6.8]	277 (11.2) [10–12.5]	89 (3.6) [2.9–4.4]	350 (14.2) [12.8–15.6]
46–55	2,437	1,109 (45.5) [43.5–47.5]	88 (3.6) [2.9–4.4]	328 (13.5) [12.1–14.8]	170 (7) [6–8]	110 (4.5) [4–5.3]	214 (8.8) [7.7–9.9]	93 (3.8) [3.1–4.6]	322 (13.2) [11.9–14.6]
56–66	2,061	1,221 (59.2) [57.1–61.4]	69 (3.3) [2.6–4.1]	167 (8.1) [6.9–9.3]	85 (4.1) [3.3–5]	67 (3.3) [2.5–4]	160 (7.8) [6.6–8.9]	61 (3) [2.2–3.7]	239 (11.6) [10.2–13]
Total	9,912	4,030 (40.7) [39.7–41.6]	1,774 (17.9) [17.1–18.6]		1,272 (12.8) [12.2–13.5]		1,317 (13.3) [12.6–13.9]		1,520 (15.3) [14.6-16]
			433 (4.4) [14.6–16]	1,332 (13.4) [12.8–14.1]	768 (7.7) [7.2–8.3]	504 (5.1) [4.6–5.5]	958 (9.7) [9.1–10.3]	358 (3.6) [3.2–4]
Women
18–25	675	118 (17.5) [14.6–20.4]	39 (5.8) [4–7.5]	120 (17.8) 14.9–20.7]	79 (11.7) [9.3–14.1]	56 (8.3) [6.2–10.4]	86 (12.7) [10.2–15.3]	25 (3.7) [2.3–5.1]	152 (22.5) [19.4–25.7]
26–35	891	164 (18.4) [15.9–21]	62 (7.0) [5.3–8.6]	182 (20.4) [17.8–23.1]	113 (12.7) [10.5–14.9]	58 (6.5) [4.9–8.1]	104 (11.7) [9.6–13.8]	37 (4.2) [2.8–5.5]	171 (19.2) [16.6–21.8]
36–45	1,305	338 (25.9) [23.5–28.3]	67 (5.1) [3.9–6.3]	312 (23.9) [3.9–6.3]	112 (8.6) [7.1–10.1]	93 (7.1) [5.7–8.5]	155 (11.9) [10.1–13.6]	46 (3.5) [2.5–4.5]	182 (13.9) [12.1–15.8]
46–55	1,274	452 (35.5) [32.6–38.1]	52 (4.1) [3–5.2]	260 (20.4) [18.2–22.6]	95 (7.5) [6–8.9]	68 (5.3) [4.1–6.6]	114 (8.9) [7.4–10.5]	51 (4.0) [2.9–5.1]	182 (14.3) [12.4–16.2]
56–66	1,077	550 (51.1) [48.1–54.1]	33 (3.1) [2–4.1]	125 (11.6) [9.7–13.5]	55 (5.1) [3.8–6.4]	45 (4.2) [3–5.4]	98 (9.1) [7.4–10.8]	39 (3.6) [2.5–4.7]	132 (12.3) [10.3–14.2]
Total	5,222	1,622 (31.1) [29.8–32.3]	1,252 (23.9) [22.8–25.1]		774 (14.8) [13.9–15.8]		755 (14.5) [13.5–15.4]		819 (15.7%) [14.7–16.7]
			253 (4.8) [4.3–5.4]	999 (19.1) [18.1–20.2]	454 (8.7) [7.9–9.5]	320 (6.1) [5.5–6.8]	557 (10.7) [9.8–11.5]	198 (3.8) [3.3–4.3]
Men
18–25	615	237 (38.5) [34.7–42.4]	36 (5.9) [4–7.7]	46 (7.5) [5.4–9.6]	55 (8.9) [6.7–11.2]	29 (4.7) [3–6.4]	53 (8.6) [6.4–10.8]	26 (4.2) [2.6–5.8]	133 (21.6) [18.4–24.9]
26–35	770	310 (40.3) [36.8–43.7]	36 (4.7) [3.2–6.2]	72 (9.4) [7.3–11.4]	68 (8.8) [6.8–10.8]	40 (5.2) [3.6–6.7]	64 (8.3) [6.4–10.3]	27 (3.5) [2.2–4.8]	153 (19.9) [17.1–22.7]
36–45	1,158	533 (46.0) [43.2–48.9]	50 (4.3) [3.2–5.5]	105 (9.1) [7.4–10.7]	86 (7.4) [5.9–8.9]	51 (4.4) [3.2–5.6]	122 (10.5) [8.8–12.3]	43 (3.7) [2.6–4.8]	168 (14.5) [12.5–16.5]
46–55	1,163	657 (56.5) [53.9–59.6]	39 (3.4) [2.3–4.4]	68 (5.8) [4.5–7.2]	75 (6.4) [5–7.9]	42 (3.6) [2.5–4.7]	100 (8.6) [7–10.2]	42 (3.6) [2.5–4.7]	140 (12.0) [10.2–13.9]
56–66	984	671 (58.2) [65.3–71.1]	28 (2.8) [1.8–3.9]	42 (4.3) [3–5.5]	30 (3.0) [2–4.1]	22 (2.2) [1.3–3.2]	62 (6.3) [4.8–7.8]	22 (2.2) [1.3–3.2]	107 (10.9) [8.9–12.8]
Total	4,690	2,408 (51.3) [49.9–52.8]	522 (11.1) [10.2–12]		498 (10.6) [9.7–11.5]		561 (12.0) [11–12.9]		701 (14.9) [13.9–15.9]
			189 (4.0) [3.5–4.6]	333 (7.1) [6.4–7.8]	314 (6.7) [6–7.4]	184 (3.9) [3.4–4.5]	401 (8.6) [7.8–9.4]	160 (3.4) [2.9–3.9]

CI confidence interval, MIG migraine, prob Mig probable migraine, TTH tension-type headache, prob TTH probable tension-type headache