Table 3 Multivariate analyses of associations between headache types and demographic variables

Gender

 Male

reference

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reference

reference

 Female

1.6 [1.3–2.0] p < 0.001

0.9 [0.7–1.0] p = 0.06

1.9 [1.4–2.8] p < 0.001

1.3 [1.0–1.8] p = 0.08

Age (years)

 18–25

reference

reference

reference

reference

 26–35

1.0 [0.8–1.3] p = 0.96

1.0 [0.8–1.3] p = 0.86

1.7 [1.1–2.6] p = 0.02

0.7 [0.5–1.1] p = 0.15

 36–45

1.0 [0.7–1.4] p = 0.96

1.0 [0.8–1.3] p = 0.75

2.0 [1.2–3.3] p = 0.009

0.8 [0.5–1.3] p = 0.42

 46–55

0.8 [0.6–1.2] p = 0.26

1.1 [0.8–1.5] p = 0.44

2.6 [1.5–4.5] p = 0.001

0.8 [0.5–1.5] p = 0.56

 56–65

0.7 [0.6–1.2] p = 0.10

1.5 [1.1–2.2] p = 0.02

1.8 [0.9–3.8] p = 0.10

0.3 [0.1–0.9] p = 0.03

Habitation

 Urban

reference

reference

reference

reference

 Rural

0.7 [0.4–0.9] p = 0.003

0.7 [0.6–0.8] p < 0.001

2.0 [1.5–2.8] p < 0.001

1.1 [0.8–1.5] p = 0.52

Marital status

 Single

reference

reference

reference

reference

 Married

1.2 [1.0–1.6] p = 0.07

0.8 [0.7–1.0] p = 0.09

0.6 [0.4–0.8] p = 0.003

1.1 [0.7–1.6] p = 0.64

 Widowed, separated or divorced

1.0 [0.6–1.6] p = 0.97

0.9 [0.6–1.3] p = 0.53

1.1 [0.6–2.0] p = 0.74

1.3 [0.6–2.7] p = 0.52

Education level

 None

1.9 [1.2–3.0] p = 0.006

0.4 [0.3–0.6] p < 0.001

1.7 [0.9–3.2] p = 0.13

0.7 [0.3–1.4] p = 0.26

 Primary

1.6 [1.1–2.2] p = 0.01

0.6 [0.4–0.8] p < 0.001

0.9 [0.5–1.5] p = 0.62

0.6 [0.4–1.0] p = 0.07

 Secondary

1.6 [1.3–2.1] p < 0.001

0.8 [0.7–1.0] p = 0.02

0.9 [0.6–1.4] p = 0.80

0.6 [0.4–0.9] p = 0.02

 University/college

reference

reference

reference

reference

Household income (XAF)

 < 50,000

0.7 [0.5–0.9] p = 0.004

1.0 [0.8–1.2] p = 0.76

1.2 [0.7–2.0] p = 0.46

2.2 [1.3–3.7] p = 0.003

 50,001–100,000

0.9 [0.7–1.2] p = 0.46

1.0 [0.8–1.3] p = 0.81

1.0 [0.6–1.8] p = 0.90

1.1 [0.6–2.0] p = 0.85

 > 100,000

reference

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