Table 1 Baseline characteristics of 647 Kenyan women planning for pregnancy

Age (years)

29 (24–34)

Level of education (years)

0–8

164 (25.3)

9–12

250 (38.6)

 > 12

253 (36.0)

Study site

Nairobi

423 (65.4)

Mombasa

224 (34.6)

Marital status

Married/living with partner

622 (96.1)

Monthly household income (Ksh)

≤ 2,500–10,000

225 (35.0)

10,001–30,000

277 (43.0)

≥ 30,001

141 (21.9)

Availability of household water and electricity

416 (64.3)

Current smoker

3 (0.5)

Alcohol use (AUDIT score)

0 (non-drinker)

560 (86.6)

1–6 (Non-hazardous)

73 (11.3)

 ≥ 7 (Hazardous)

14 (2.2)

Chronic illness*

22 (3.2)

Frequency of teeth cleaning/week

6 (5.6)

Toothbrush use

643 (99.4)

Fluoride-containing toothpaste use

132 (38.2)

Time since last dental visit

< 6 months

33 (5.1)

6–12 months

61 (9.4)

> 1 year but < 2 years

39 (6.0)

≥ 2 years but < 5 years

89 (13.8)

≥ 5 years

122 (18.9)

Never received dental care

303 (46.8)

Obese (BMI ≥ 30)

156 (24.5)

Parity

Nulliparous

101 (15.6)

1

286 (44.2)

2

170 (26.3)

 ≥ 3

90 (13.9)

Gravidity

0

62 (9.6)

 ≥ 1

585 (90.4)