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Table 4 Bivariate associations between dental service utilisation and OHRQoL and interpersonal racism (N = 885)

From: The impact of interpersonal racism on oral health related quality of life among Indigenous South Australians: a cross-sectional study

Dental services and oral health related quality of life

n (%)

OHRQoL, n (%)

Interpersonal racism, n (%)

Poor OHRQoL

Good (n = 440)

Poor (n = 445)

No racism (n = 424)

Low racism (n = 280)

High racism (n = 181)

Unadjusted OR (95% CI)

Timing of last dental visit 

Less than a year ago

412(46.6)

196(47.6)

216(52.4)

196(47.6)

141(34.2)

75(18.2)

Ref

More than a year ago

473(53.4)

244(51.6)

229(48.4)

228(48.2)

139(29.4)

106(22.4)

0.85(0.65–1.11)c

Reason for last dental visit a

Check up

338(38.2)

215(63.6)

123(36.4)

190(56.2)

95(28.1)

53(15.7)

Ref

Problem

547(61.8)

225(41.1)

322(58.9)b

234(42.8)

185(33.8)

128(23.4)

2.50(1.90–3.31)c

Avoidance of dental care because of cost

No

599(67.7)

328(54.8)

271(45.2)

297(49.6)

183(30.6)

119(19.9)

Ref

Yes

286(32.3)

112(39.2)

174(60.8)b

127(44.4)

97(33.9)

62(21.7)

1.88(1.41–2.50)c

Level of difficulty paying an AUD$100 dental billa

None, hardly any, a little

484(55.3)

265(54.8)

219(45.2)

251(51.9)

155(32.0)

78(16.1)

Ref

A lot

392(44.7)

170(43.4)

222(56.6)b

168(42.9)

124(31.6)

100(25.5)

1.69(1.21–2.17)c

Self-rated oral health

Excellent, very good, or good

589(66.6)

351(59.6)

238(40.4)

305(51.8)

183(31.1)

101(17.1)

Ref

Fair or poor

296(33.4)

89(30.1)

207(69.9)b

119(40.2)

97(32.8)

80(27.0)

3.43(2.55–4.62)c

  1. aIndicates some missing data
  2. bPoor OHRQoL versus good OHRQoL: p value for chi2:  ≤ 0.05
  3. cPoor OHRQoL versus good OHRQoL: p value for univariate logistic regression:  ≤ 0.25