Table 1 Socioeconomic characteristics of diarrhoea patients identified as smokers and non-smokers

15–30 years

1630 (41)

9566 (57)

0.52 (0.49, 0.56) <0.001

Above 30 years

2356 (59)

7205 (43)

1.92 (1.79, 2.06) <0.001

Male sex

3874 (97)

7767 (46)

40.10 (33.02, 48.74) <0.001

Monthly income ≤100 US$

2752 (69)

10,664 (64)

1.28 (1.19, 1.38) <0.001

Small family size (≤5 mean)

2298 (58)

10,268 (61)

0.86 (0.80, 0.93) <0.001

Wealth quintile

Rich

591 (15)

3557 (21)

0.65 (0.59, 0.71) <0.001

Upper middle

720 (18)

3417 (20)

0.86 (0.79, 0.94) <0.001

Middle

799 (20)

3317 (20)

1.02 (0.93, 1.11) 0.720

Lower middle

918 (23)

3307 (20)

1.22 (1.12, 1.32) <0.001

Poor

958 (24)

3173 (19)

1.36 (1.25, 1.47) <0.001

Patient’s illiteracy

1897 (52)

7328 (44)

1.17 (1.09, 1.25) <0.001

Boils drinking water

635 (16)

4019 (24)

0.60 (0.55, 0.66) <0.001

Administered antimicrobial therapy before attending the hospital

2258 (57)

9646 (58)

0.97 (0.90, 1.04) 0.328