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Table 2 Distribution of women according to some socio-demographic, habit, pregnancy related and body weight variables and periodontal disease

From: Factors associated with the prevalence of periodontal disease in low-risk pregnant women

Variables Periodontal Disease PR (95% CI)
  With n (%) Without n (%)  
Age    χ2 = 5.64 p = 0.34
≤ 19 13 (8.3) 28 (15.8) 1
20-24 41 (26.1) 43 (24.3) 1.16 (0.73 - 1.86)
25-29 55 (35.0) 50 (28.2) 1.65 (1.02 - 2.68)
30-34 25 (15.9) 32 (18.1) 1.38 (0.81 - 2.37)
35-39 15 (9.6) 17 (9.6) 1.48(0.83 - 2.64)
≥ 40 8 (5.1) 7 (4.0) 1.68 (0.88 - 3.23)
Ethnic origin    χ2 = 7.20 p = 0.126
White 81 (51.6) 95 (53.7) 1
Black 16 (10.2) 9 (5.1) 1.39 (1.00 - 1.94)
Mulatta 57 (36.3) 73 (41.2) 0.95 (0.74 - 1.23)
Others 3 (1.9) - -
Schooling    χ2 = 8.95 p = 0.062
Semiliterate 45 (28.7) 38 (21.5) 1
Primary education 53 (33.7) 57 (32.2) 0.89 (0.43 - 1.45)
Secondary education 56 (35.7) 67 (37.8) 0.84 (0.64 - 1.11)
University education 3 (1.9) 12 (6.8) 0.37 (0.13 - 1.03)
Post-graduate - 3 (1.7) -
Marital Status    χ2 = 0.98 p = 0.322
Stable partner 147 (93.6) 169* (95.5) 1
No stable partner 10 (6.4) 7 (4.5) 1.26 (0.84 - 1.91)
Parity    χ2 = 2.44 p = 0.294
0 61 (38.8) 79 (44.6) 1
1 48 (30.6) 57 (32.2) 1.05 (0.79 - 1.39)
≥ 2 48 (30.6) 41 (23.2) 1.24 (0.95 - 1.62)
Total 157 (100.0) 177 (100.0)  
Gestational age at examination (weeks)    χ2 = 7.51 p = 0.023
≤ 16 34 (21.7) 62 (35.0) 1
17-24 57 (36.3) 58 (32.8) 1.40 (1.01 - 1.94)
25-32 66 (42.0) 57 (32.2) 1.52 (1.10 - 2.08)
Smoking    χ2 = 1.79 p = 0.408
No 128 (81.5) 153 (86.5) 1
Yes 19 (12.1) 14 (7.9) 1.26 (0.92 - 1.74)
Not during pregnancy 10 (6.4) 10 (5.6) 1.10 (0.70 - 1.73)
Alcohol consumption    χ2 = 0.0067 p = 0.93
No 146 (93.0) 165 (93.2) 1
Yes 11 (7.0) 12 (6.8) 1.01 (0.65 - 1.58)
Drugs    χ2 = 0.22 p = 0.633
Yes 1 (0.6) 2 (1.1) 0.70 (0.14 - 3.52)
No 156 (99.4) 175 (98.9) 1
Use of medication    χ2 = 2.52 p = 0.112
Yes 49 (31.2) 70 (39.5) 0.82 (0.64 - 1.06)
No 108 (68.8) 107 (60.5) 1
Any disease    χ2 = 0.068 p = 0.793
Yes 31 (19.7) 37 (20.9) 0.96 (0.72 - 1.28)
No 126 (80.3) 140 (79.1) 1
BMI**    χ2 = 5.60 p = 0.132
Low (< 19.8) 23 (14.6) 32 (18.1) 0.96 (0.68 - 1.37)
Normal (19.8-26) 81 (51.6) 105 (59.3) 1
Overweight (26.1-29) 22 (14.0) 19 (10.7) 1.23 (0.89 - 1.71)
Obese (>29) 30 (19.1) 20 (11.3) 1.38 (1.04 - 1.82)
Total 157 177  
  1. * Data missing in one case
  2. ** Data missing for two cases
  3. BMI = Body Mass Index