. 2014 Mar 24;70(3):443–452. doi: 10.1093/geronb/gbu024

Table 3.

Interaction Effects From Adjusted Models for Stage 1 (Self-Reported Hearing Difficulty) and Stage 5 (Obtaining a Hearing Aid)

Effect of SEP within age groups^a	1. Self-reported hearing difficulty, n = 8,230
Age group
50–64	0.83***	0.78–0.89
65–74	0.85***	0.78–0.92
75+	0.98	0.88–1.08
LR test^b	χ ² = 7.09	p = .029
Effect of gender within age groups^c	5. Hearing aid obtained, n = 818
Age group
50–64	2.60*	1.14–5.93
65–74	0.60	0.22–1.46
75+	2.07	0.95–4.50
LR test^b	χ ² = 6.43	p = .040

Notes. LR = likelihood ratio; SEP = socioeconomic position. All models adjusted for SEP, gender, age group, marital status, retirement status, and ownership of private health insurance.

^aOdds ratio of progression in this stage of health-seeking behavior with an increase in one unit (z-score) of SEP in each age group from adjusted model including an interaction between SEP as a continuous variable and age group as a categorical variable.

^b χ ² and p value for likelihood ratio test between adjusted model without interaction term and adjusted model with interaction term.

^cOdds ratio of progression in this stage of health-seeking behavior for women compared with men in each age group from adjusted model including an interaction between gender as a binary variable and age group as a categorical variable.

p value for Wald test from adjusted model with interaction term, levels of significance: *p < .05. **p < .01. ***p < .001.