Table 4 Marginal effects of dental insurance on oral health status outcomes. Analysis is shown for the study population and for income, education and age group strata. For each outcome, overall proportion, proportion stratified by dental insurance status, and marginal effect of having dental insurance are shown with 95% confidence intervals. Analysis is modelled in logistic regression and adjusted as described below

54.6 (53.8, 55.5)

48.3 (46.7, 49.9)

57.9 (56.8, 59.0)

9.6 (7.6, 11.5)

6.3 (5.8, 6.9)

7.2 (6.2, 8.1)

5.7 (5.0, 6.4)

−1.5 (−2.7, −0.3)

47.4 (45.2, 49.7)

40.9 (38.5, 43.3)

50.7 (48.3, 53.1)

9.8 (7.8, 11.8)

10.3 (8.4, 12.1)

11.8 (9.6, 14.1)

9.3 (7.3, 11.3)

−2.5 (−4.4, −0.6)

49.9 (47.8, 52.0)

43.3 (41.0, 45.6)

53.2 (50.9, 55.5)

9.9 (7.9, 11.9)

8.1 (6.5, 9.6)

9.3 (7.3, 11.3)

7.3 (5.8, 8.8)

−2.0 (−3.6, −0.4)

54.4 (52.5, 56.3)

47.9 (45.5, 50.3)

57.7 (55.8, 59.7)

9.8 (7.8, 11.8)

4.8 (3.8, 5.9)

5.6 (4.3, 7.0)

4.3 (3.4, 5.3)

−1.3 (−2.3, −0.3)

58.5 (56.6, 60.3)

52.1 (49.6, 54.6)

61.8 (59.9, 63.6)

9.7 (7.7, 11.7)

4 (3.1, 4.8)

4.6 (3.4, 5.8)

3.6 (2.8, 4.3)

−1.1 (−2.0, −0.2)

63.1 (61.2, 65.0)

57.0 (54.4, 59.5)

66.3 (64.4, 68.2)

9.3 (7.4, 11.3)

3.2 (2.5, 3.9)

3.7 (2.8, 4.7)

2.9 (2.2, 3.5)

−0.9 (−1.6, − 0.2)

46.2 (43.1, 49.3)

39.7 (36.4, 43.0)

49.4 (46.1, 52.6)

9.6 (7.7, 11.6)

8.8 (6.7, 11.0)

9.8 (7.4, 12.3)

7.8 (5.8, 9.9)

−2.1 (−3.8, −0.5)

50.9 (48.6, 53.3)

44.4 (41.7, 47.2)

54.2 (51.7, 56.6)

9.7 (7.7, 11.7)

7.8 (6.2, 9.4)

8.8 (6.8, 10.8)

7 (5.5, 8.4)

−1.9 (−3.5, −0.4)

47.8 (42.6, 53.1)

41.4 (36.0, 46.8)

51.1 (45.7, 56.4)

9.7 (7.7, 11.7)

8.8 (5.0, 12.6)

9.9 (5.6, 14.3)

7.9 (4.5, 11.3)

−2.1 (−4.0, −0.2)

56.1 (55.1, 57.1)

49.8 (48.1, 51.4)

59.4 (58.2, 60.6)

9.7 (7.7, 11.6)

5.5 (4.9, 6.1)

6.3 (5.4, 7.2)

4.9 (4.2, 5.7)

−1.4 (−2.5, −0.3)

56.1 (53.6, 58.7)

49.8 (46.8, 52.9)

59.4 (56.8, 62.0)

9.5 (7.6, 11.5)

1.0 (0.4, 1.6)

1.1 (0.4, 1.8)

0.8 (0.3, 1.4)

−0.3 (−0.5, 0)

55.8 (54.1, 57.5)

49.5 (47.3, 51.7)

59.1 (57.3, 60.9)

9.6 (7.6, 11.5)

4.0 (3.1, 5.0)

4.6 (3.4, 5.9)

3.6 (2.7, 4.5)

−1.1 (−1.9, −0.2)

54.8 (52.8, 56.8)

48.5 (46.0, 50.9)

58.0 (56.0, 60.1)

9.6 (7.6, 11.6)

6.4 (5.0, 7.9)

7.4 (5.6, 9.1)

5.7 (4.3, 7.1)

−1.6 (−2.9, −0.4)

51.2 (49.3, 53.0)

44.7 (42.4, 47.0)

54.4 (52.4, 56.4)

9.6 (7.7, 11.6)

9.1 (7.7, 10.4)

10.3 (8.4, 12.2)

8.1 (6.8, 9.5)

−2.2 (−4.0, −0.5)

56.8 (55.1, 58.5)

50.5 (48.5, 52.5)

60.0 (58.1, 62.0)

9.5 (7.6, 11.5)

7.8 (6.6, 8.9)

8.9 (7.4, 10.3)

6.9 (5.7, 8.2)

−1.9 (−3.4, −0.5)