Table 4 Multivariate logistic regressions of factors associated with underreporting

 Male

1.0 (ref)

1.0 (ref)

1.0 (ref)

 Female

1.1

(0.8–1.4)

1.3

(0.9–1.8)

0.6

(0.3–1.3)

 18–44 years

1.0 (ref)

1.0 (ref)

 45–64 years

0.4

(0.2–0.6)***

0.5

(0.3–0.7)**

 65+

0.2

(0.1–0.3)***

0.5

(0.3–0.8)*

 Quintile 1 (lowest income)

1.0 (ref)

 Quintile 2

1.0

(0.4–2.7)

 Quintile 3

3.7

(1.3–10.7)*

 Quintile 4

2.4

(0.8–7.1)

 Quintile 5 (highest income)

2.7

(0.8–8.8)

 Quintile 1 (highest disadvantage)

1.0 (ref)

 Quintile 2

1.9

(0.7–5.6)

 Quintile 3

0.8

(0.3–2.7)

 Quintile 4

2.2

(0.7–7.1)

 Quintile 5 (lowest disadvantage)

3.7

(1.3–11.0)*

 Year 9 or below

1.0 (ref)

1.0 (ref)

 Year 10 or equivalent

0.9

(0.6–1.4)

1.1

(0.7–1.8)

 Year 11 or equivalent

1.7

(1.0–3.0)

1.3

(0.7–2.3)

 Year 12 or equivalent

1.0

(0.7–1.6)

1.5

(0.9–2.3)

 Fluent

1.0 (ref)

1.0 (ref)

 Not fluent

0.6

(0.3–1.1)

3.6

(0.9–14.5)

p-value of model