Table 5.

Post-hoc exploratory analysis: association of mental health decline with Internet use, adjusting for age, and diagnosis.

	Using the Internet “a lot”–% (N)a	Univariate model		Multivariate model
		OR	95% CI	Adj. OR	95% CI
Age
18–30	54.9 (28)	3.59*	1.70–7.60	5.75**	2.49–13.28
31–45	46.4 (45)	2.55*	1.34–4.87	3.23*	1.57–6.67
46–65	31.9 (43)	1.38	0.74–2.57	1.72	0.87–3.40
66+	25.3 (20)	1		1
Diagnosis
Not recorded	27.1 (13)	0.85	0.42–1.72	0.81	0.38–1.74
Other SMI	30.4% (7)	0.998	0.39–2.56	0.87	0.31–2.47
Bipolar disorder	56.7 (59)	2.99**	1.82–4.92	3.92**	2.24–6.87
Psychosis	30.5 (57)	1		1
Mental health
Decline	46.9 (69)	1.97*	1.27–3.04	1.63*	1.02–2.62
No decline	31.1 (64)	1

^aPercentages are row percentages.

^*p < 0.005,

^**p < 0.001.

Outcome variables is “using the Internet a lot” vs. “Just a little or not at all”.