Table 5.

Meta-regression analysis

Moderator	Coefficient	Standard error	95% CI	P value
Never/≤ 6 months, > 6 months	Reference
Never, < once a year, ≥ once a year	− 0.4954	0.3363	− 1.1545–0.1637	0.1407
Never, < every 5 years, every 2–5 years, at least every year	− 0.4048	0.3632	− 1.1167–0.3072	0.2651
Never, yes	− 0.5807	0.3370	− 1.3195–0.1581	0.1234
Special dental care	− 0.8194	0.5741	− 1.9447–0.3059	0.1535
Only in pain, no visits	− 0.8008	0.5776	− 1.9329–0.3312	0.1656
1–2 visits a year, 3–5 visits a year	− 0.8132	0.5569	− 1.9046–0.2782	0.1442

R² analog = 0.00, test of the model: P = 0.6316