Table 3.

Factors associated with OTC drug use in the previous seven days among German adults aged 18–79 years.

Predictors for Using at Least One OTC Drug	OR	95% CI	p
Gender
Male	Reference
Female	1.64	1.44–1.86	<0.001
Age group (years)
18–29	Reference
30–39	1.10	0.86–1.40	0.438
40–49	1.17	0.94–1.45	0.154
50–59	1.11	0.89–1.38	0.346
60–69	1.59	1.27–1.98	<0.001
70–79	2.14	1.69–2.71	<0.001
Self-reported health
Very good	Reference
Good	1.50	1.21–1.86	<0.001
Moderate	2.14	1.69–2.75	<0.001
Poor	1.75	1.10–2.80	0.020
Very poor	4.16	1.03–16.84	0.046
Multimorbidity
No	Reference
Yes	1.52	1.29–1.79	<0.001
Household income(Euros)
≤1500	Reference
>1500 ≤2500	1.05	0.90–1.24	0.541
>2500 ≤3500	1.26	1.06–1.51	0.010
>3500 ≤4500	1.14	0.87–1.50	0.352
>4500 ≤5500	1.36	0.97–1.91	0.078
>5500	1.22	0.85–1.76	0.277
Migration status
None	Reference
One parent	0.80	0.57–1.11	0.173
Both parents	0.90	0.71–1.14	0.391
Rx drug use
No Rx drug use in the previous seven days	Reference
Rx drug use in the previous seven days	1.30	1.11–1.51	0.001
Constant: OR: 0.1882222 p < 0.001 Goodness-of-fit test: F (9171) = 0.25, p = 0.9869