. Author manuscript; available in PMC: 2020 Jun 1.

Published in final edited form as: Community Dent Oral Epidemiol. 2019 Feb 27;47(3):252–258. doi: 10.1111/cdoe.12451

Table 2.

Age-38 OHIP-14 scores and aspects of dental visiting, by ordinal categories of childhood IQ (brackets contain percentages unless otherwise indicated)

	Standardised childhood IQ score:
	41–84	85–99	100–114	115–141	All
Mean OHIP-14 score (SD)	10.7 (9.8)	9.3 (8.0)	6.6 (7.2)	5.0 (6.0)^a	7.8 (7.9)
1+ OHIP-14 impacts^b	33 (31.1)	68 (23.7)	59 (19.8)	17 (13.4)^a	177 (21.6)
Visit for check-ups	30 (28.3)	113 (39.4)	141 (47.3)	74 (58.3)^a	358 (43.8)
>5 years since last dental visit	28 (26.4)	53 (18.5)	51 (17.1)	11 (8.7)^a	143 (17.5)

P<0.05

‘Fairly often’ or ‘Very often’