Skip to main content
. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Environ Res. 2013 Oct 28;127:40–48. doi: 10.1016/j.envres.2013.08.009

Table 1.

Demographics and cooking characteristics for household survey and exposure assessment populations.

Demographic characteristic Household survey (n=421)a Exposure assessment (n=29)b
Value ± SD Value ± SD
Age of primary cook in years 39 ± 19 43 ± 11
% Female as primary cook 95 100
Ave. time cooked/day (mins) 185 ± 86 217 ± 103
Ave. years cooked in lifetime (years) 19 ± 15 23 ± 13
Ave household size or persons cooked for (dinner) 5.5 ± 3 7 ± 5
Primary fuel % %
Wood 81 86
Charcoal 18 14
Kerosene 0 0
LPG/other 1 0
Stove-type % %
Traditional (3, 5 or 7)-stone 77 86
Clay/mud surrounded 2 0
Metal 1 0
Charcoal stove 18 14
Other or n/a 2 0
Kitchen type % %
Outdoors 55 38
Semi-enclosed 28 38
Fully enclosed 17 24
Tobacco use % %
Self (during monitoring) Not asked 4
Other in household (during monitoring) Not asked 11
Anyone in household (past month) 19 Not asked
Obtain firewood % %
Gather 86 68
Purchase 10 0
Gather and purchase 4 9
Other smoke exposuresc % %
Commercial cooking 23 3
Charcoal production 30 3
Cook at farm plot 59 55
Mosquito coil use 40 7
Lantern used 93 66
a

Sample size varies between 366 and 421.

b

Sample size varies between 22 and 29.

c

For exposure assessment households, “other smoke exposures” pertain to 24-h monitoring period except “cook at farm plot” (ever).

d

For household survey, lantern use combines paraffin and kerosene; for exposure households, kerosene only. SD, standard deviation.