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Table 1 Descriptive statistics for study samples (weighted estimates)

From: Equity in children’s dental caries before and after cessation of community water fluoridation: differential impact by dental insurance status and geographic material deprivation

Variable Calgary 2009/10: Calgary 2013/14:
Mean or % (95 % CI), n Mean or % (95 % CI), n
Dental caries summary measures
Mean number of decayed, extracted, or filled primary teeth (deft) 2.22 (1.87 to 2.57), n = 557 2.69 (2.52 to 2.86), n = 3230
Mean number of deft among those with deft > 0 4.22 (3.85 to 4.58), n = 284 4.73 (4.52 to 4.94), n = 1835
Mean number of decayed, missing, or filled permanent teeth (DMFT) 0.19 (0.11 to 0.27), n = 551 0.12 (0.10 to 0.14), n = 3182
Mean DMFT among those with DMFT > 0 1.85 (1.61 to 2.09), n = 56 1.52 (1.41 to 1.63), n = 254
Percent with 2 or more teeth with untreated decay (primary or permanent) 10 % (8 % to 13 %), n = 551 14 % (12 % to 15 %), n = 3182
Socio-economic variables
Percent with no dental insurance 21 % (17 % to 25 %), n = 528 17 % (15 % to 19 %), n = 3164
Small area material deprivation (Pampalon index)a
Percent within Category 1 (least deprived) 39 % (27 % to 52 %) 34 % (29 % to 40 %)
Percent within Category 2 18 % (12 % to 27 %) 23 % (18 % to 28 %)
Percent within Category 3 16 % (11 % to 23 %) 15 % (11 % to 19 %)
Percent within Category 4 9 % (6 % to 12 %) 11 % (9 % to 13 %)
Percent within Category 5 (most deprived) 19 % (10 % to 31 %) 18 % (14 % to 23 %)
n = 511 n = 2980
  1. aPampalon material deprivation categories are based on quintiles that apply to the whole province of Alberta. Category 1 = least deprived, 5 = most deprived.