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Table 2 24/48 h kitchen area and near household (outdoor) PM2.5 concentrations and personal exposures (μg/m3) for women and pregnant women

From: Exposure contrasts associated with a liquefied petroleum gas (LPG) intervention at potential field sites for the multi-country household air pollution intervention network (HAPIN) trial in India: results from pilot phase activities in rural Tamil Nadu

 

Primary Fuel

Location

n

Mean

Median

Min

Max

SD

IQR

Cross-Sectional Measurements

Biomass

(24 h)

Kitchen

46

217.7

132.1

20.9

1353

270.2

138.2

Personal

41

100.9

73.4

4.6

967.4

143.7

36.1

Outdoor

18

38

35.9

14.4

122.9

24.6

21.7

Biomass

(48 h)

Kitchen

18

227.1

151.2

27.8

1294.3

289.1

229.5

Personal

15

100.2

80.1

21.3

280.1

75.1

70.1

Outdoor

17

61.1

31.5

11.9

273.1

70.4

41.2

LPG

(24 h)

Kitchen

28

31.2

26.7

4.5

66

17.6

27.3

Personal

26

33.6

35.8

7.1

53.5

11.2

16.1

Outdoor

13

26.5

25.2

0.5

84.8

22.4

22.7

LPG

(48 h)

Kitchen

8

35.3

26.6

8.5

74

23.9

17.7

Personal

13

63.6

48.3

12

182.9

56.1

48.3

Outdoor

10

43.8

44.8

7.7

77.2

24.9

43.6

Before-After Measurements

Baseline Biomass

(48 h)

Kitchen

36

277.9

160.3

15.2

1830.9

342.2

232.7

Outdoor

11

26.2

24.9

10.8

57.1

15.4

18.8

Personal

41

113.4

71.9

22.2

954.7

149.3

77.6

Followup-1

LPG

(48 h)

Kitchen

36

20.5

18

2.3

74.1

14.1

12.6

Outdoor

12

16.7

17.35

5.4

26.7

6.5

8.9

Personal

39

31.1

24.7

6.9

141.2

23.9

18.4

Followup-2

LPG

(48 h)

Kitchen

44

29.4

27.5

5.4

124.8

18.4

21.3

Outdoor

14

31.7

26.8

3.1

144.8

35.1

20.6

Personal

35

29.8

26.4

0.8

69.4

14.9

10.1

  1. Note: Values shown are averages across measurements at both study sites for each type of measurement and across all instruments measuring concentrations/exposures during a specific 24/48 h period.