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Table 2 Bivariate associations between sociodemographic and health-related variables with 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

Sociodemographic and health-related variables

 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)

Age in years

  ≤40

494(55.8)

265(53.6)

229(46.4)

237(48.0)

174(35.2)

83(16.8)

Reference (Ref)

 > 40

391(44.2)

175(44.8)

216(55.2)b

187(47.8)

106(27.1)

98(25.1)

1.43(1.09–1.86)c

Gender

Female

593(67.0)

286(48.2)

307(51.8)

310(52.3)

169(28.5)

114(19.2)

Ref

Male

292(33.0)

154(52.7)

138(47.3)

114(39.0)

111(38.0)

67(22.9)

0.84(0.63–1.11)c

Completed education level

University or further

283(32.0)

153(54.1)

130(45.9)

117(41.3)

99(35.0)

67(23.7)

Ref

High school or less

602(68.0)

287(47.7)

315(52.3)

307(51.0)

181(30.1)

114(18.9)

1.29(0.97–1.71)c

Employment statusa

Employed

221(25.1)

126(57.0)

95(43.0)

101(45.7)

71(32.1)

49(22.2)

Ref

On welfare/Other

659(74.9)

313(47.5)

346(52.5)b

322(48.9)

207(31.4)

130(19.7)

1.47(1.08–1.99)c

Health care card possession

No

192(21.7)

110(57.3)

82(42.7)

89(46.4)

64(33.3)

39(20.2)

Ref

Yes

693(78.3)

330(47.6)

363(52.4)b

335(48.3)

216(31.2)

142(20.6)

1.45(1.07–2.04)c

No. of people who stayed in house last night

  ≤4

518(58.5)

260(50.2)

258(49.8)

253(48.8)

152(29.3)

113(21.8)

Ref

 > 4

367(41.5)

180(49.0)

187(51.0)

171(46.6)

128(34.9)

68(18.5)

1.05(0.80–1.37)

Car ownership

Yes

490(55.4)

261(45.3)

229(46.7)

226(46.1)

160(32.7)

104(21.2)

Ref

No

395(44.6)

179(45.3)

216(54.7)b

198(50.1)

120(30.4)

77(19.5)

1.38(1.05–1.80)c

Tobacco smokinga

Never/don’t know

253(29.0)

146(57.7)

107(42.3)

146(57.7)

64(25.3)

43(17.0)

Ref

Current/previous smoker

620(71.0)

287(46.3)

216(54.7)b

273(44.0)

212(34.2)

135(21.8)

1.58(1.18–2.13)c

Alcohol intakea

Never

317(36.5)

151(47.6)

166(52.4)

165(52.1)

90(28.4)

62(19.6)

Ref

Current/previous consumption

551(63.5)

278(50.5)

273(49.5)

249(45.2)

186(33.8)

116(21.1)

0.89(0.68–1.18)

  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