Ronit Pinchas-Mizrachi, Beth G Zalcman, Judith Jacobson-Liptz, Yifat Adler, Anat Romem
Breast cancer mortality among ultra-orthodox and non-ultra-orthodox Israeli women: A retrospective cohort study
SSM - population health
breastfeeding exposure ambient air pollutants found independently associated respiratory health children however previous studies examined association breastfeeding potential moderator association assess associations breastfeeding air pollution lung function children using crosssectional study design children recruited 62 elementary middle schools located 7 chinese cities april 1 2012 october 31 2013 data analyses conducted november 1 2018 march 31 2019 longterm concentrations airborne particulate matter diameter 1 less pm1 airborne particulate matter diameter 25 less pm25 airborne particulate matter diameter 10 less pm10 nitrogen dioxide estimated using spatial statistical model matched childrens geocoded home addresses concentrations pm10 sulfur dioxide nitrogen dioxide ozone measured local air monitoring stations breastfeeding defined maternal report mainly breastfed longer 3 months lung function measured using portable electronic spirometers using previously published predicted spirometric values children northeast china reference lung impairment defined forced vital capacity fvc less 85 forced expiratory volume first second expiration less 85 peak expiratory flow less 75 maximum midexpiratory flow less 75 participants included 6740 children mean sd age 116 21 years 3382 boys 502 4751 children 705 breastfed mean sd particulate matter concentrations ranged 468 65 gm3 pm1 956 98 gm3 pm10 prevalence lung function impairment ranged 68 peak expiratory flow 113 fvc controlling age sex covariates 1interquartile range greater concentration pollutants associated higher adjusted odds ratios aors lung function impairment fvc among children breastfed compared pm1 aor 271 95 ci 202363 vs 120 95 ci 097148 pm25 aor 227 95 ci 179288 vs 126 95 ci 104151 pm10 aor 193 95 ci 158237 vs 146 95 ci 123173 younger age 12 years associated lower lung function impairment among children breastfed children elementary schools 1interquartile range greater concentration pollutants associated higher aors lung function impairment fvc among children breastfed compared pm1 aor 643 95 ci 3971044 vs 189 95 ci 128280 pm25 aor 383 95 ci 263558 vs 150 95 ci 112201 pm10 aor 261 95 ci 190357 vs 152 95 ci 119195 results linear regression models also showed associations air pollution worse lung function among children breastfed compared counterparts breastfed especially fvc pm1 24046 95 ci 28871 19221 vs 3821 95 ci 6927 716 ml forced expiratory volume first second expiration pm1 20137 95 ci 24208 16065 vs 3030 95 ci 5766 294 ml study breastfeeding associated lower risk lung function impairment among children china exposed air pollution particularly among younger children