|
INDOOR NITROGEN DIOXIDE, GAS COOKING AND ASTHMA 1729
<br />(a) Gas cooking
<br />Study
<br />Odds
<br />Odds
<br />IO
<br />CURRENTASiHMA
<br />ratio (96% Cl)
<br />CURRENTASTHMA
<br />0.88 (0.46, 1.84)
<br />SNma, girls (2000)
<br />( 2.16 (1.09, 4.34)
<br />Melia, boys (1977)
<br />1.36 (0.57,3.29)
<br />+
<br />1.48 (0.90, 2.43)
<br />Melia, gids 0977)
<br />Hoek (1984)
<br />1.53 (0.79, 2.96)
<br />Dekker(1991)
<br />0.91 (0.60, 1.36)
<br />�-+-
<br />1.95(1At, 2.68)
<br />Hassel (2001)
<br />1.08 (0.95, 1.23)
<br />I-V Subtotal
<br />1.70 (1.00, 3.10)
<br />McConnell, no wheeze (2002)
<br />1.09 (0.91, 1.31)
<br />I-V Overall
<br />1.30 (0.80, 1.90)
<br />McConnell, wheeze (2002)
<br />+
<br />1.20 (0.70, 2.00)
<br />Spengler (2004)
<br />2.28(1.04,5.01)
<br />Behrens (2005)
<br />,
<br />0.77 (0.17, 3.46)
<br />Tavernier (2006)
<br />+
<br />0.69 (0.24, 1.85)
<br />Willers (2006)
<br />1.50 (0-90, 2.49)
<br />Diene (2007)
<br />0.84 (0.47, I AS)
<br />Carlsten (2011)
<br />1.40 (0.60, 3.60)
<br />Lin (2013)
<br />1.29 (0.98, 1.69)
<br />D+L Subtotal (1 -squared = 2.99.5, P- 0.417)
<br />1.42 (1.23,1.64)
<br />4V Subtotal
<br />I A2 (1.24, 1.63)
<br />LIFETIME ASTHMA
<br />+
<br />Dodge (1982)
<br />1.78 (0,40, 7.93)
<br />Volkmer (1995)
<br />1.24 (1.07,1.42)
<br />Maier (1997)
<br />0.90 (0.60,1.40)
<br />Garrett (1998)
<br />r
<br />2.23 (1.06, 4.72)
<br />Hoelscher (2000)
<br />0.59 (0.28,1.33)
<br />Ponsonby (2000)
<br />1.84 0.06, 3.17)
<br />Ponsonby (2001)
<br />1.20 (0.91, 1.58)
<br />Casas (2012)
<br />1.33 (0.92, 1.93)
<br />D+L Subtotal (1 -squared = 31.1%, P= 0.180)
<br />C'}
<br />1.24 (1.04, 1.47)
<br />I-V Subtotal
<br />a
<br />124
<br />+
<br />D+L Overall (1 -squared = 19.8%, P= 0.204)
<br />1.32 (1.18, 1.48)
<br />1-V Overall
<br />+
<br />1.30 (1.20, 1 A2)
<br />0.25 0.5
<br />1 2 4
<br />8
<br />(b) Indoor NO2
<br />Study
<br />Odds
<br />ID
<br />ratio (95% Cl)
<br />CURRENTASiHMA
<br />Shims, boys (2000)
<br />0.88 (0.46, 1.84)
<br />SNma, girls (2000)
<br />( 2.16 (1.09, 4.34)
<br />D+L Subtotal (1-squared=71.5%,P=0.061)
<br />1.36 (0.57,3.29)
<br />I-V Subtotal
<br />1.33 (0.83, 2.12)
<br />LIFETIME ASTHMA
<br />Hoek (1984)
<br />1.17 (0.97, 1.38)
<br />Naas (1991)
<br />0.91 (0.60, 1.36)
<br />Garrett (1998)
<br />1.00 (0.80, 1.24)
<br />D+L Subtotal (1 -squared = 0.3%, P = 0.367)
<br />1.08 (0.95, 1.23)
<br />I-V Subtotal
<br />1.08 (0.95, 1.23)
<br />D+L Overall (I -squared = 35.5%, P= 0.185)
<br />1.09 (0.91, 1.31)
<br />I-V Overall
<br />1.10 (0.97, 1.24)
<br />0.25 0.5 1 2 4 6
<br />Figure 2 Meta-analysis of studies assessing association between asthma (current/lifetime) and gas cooking (a) or indoor
<br />NO, (b) in children. The odds ratio for each study is indicated by a black dot, and the horizontal line shows the corres-
<br />ponding 95% Cl. The combined estimate is indicated by the diamond-shaped box. D + L Subtotal/Overall- random effect
<br />meta-analysis; I-V Subtotal/Overall=fixed effects meta-analysis
<br />3
<br />w
<br />m
<br />
|