# name
Wearable camera-derived microenvironments in relation to
                personal exposure to PM2.5

# metadata.dc.description.abstract[].value
Data regarding which microenvironments drive exposure to air
                pollution in low and middle income countries are scarce. Our
                objective was to identify sources of time-resolved personal
                PM2.5 exposure in peri-urban India using wearable camera-derived
                microenvironmental information. We conducted a panel study with
                up to 6 repeated non-consecutive 24h measurements on 45
                participants (186 participant-days). Camera images were manually
                annotated to derive visual concepts indicative of
                microenvironments and activities. Men had slightly higher daily
                mean PM2.5 exposure (43mug/m(3)) compared to women (39mug/m(3)).
                Cameras helped identify that men also had higher exposures when
                near a biomass cooking unit (mean (sd) mug/m(3): 119 (383) for
                men vs 83 (196) for women) and presence in the kitchen (133
                (311) for men vs 48 (94) for women). Visual concepts associated
                in regression analysis with higher 5-minute PM2.5 for both sexes
                included: smoking (+93% (95% confidence interval: 63%, 129%) in
                men, +29% (95% CI: 2%, 63%) in women), biomass cooking unit
                (+57% (95% CI: 28%, 93%) in men, +69% (95% CI: 48%, 93%) in
                women), visible flame or smoke (+90% (95% CI: 48%, 144%) in men,
                +39% (95% CI: 6%, 83%) in women), and presence in the kitchen
                (+49% (95% CI: 27%, 75%) in men, +14% (95% CI: 7%, 20%) in
                women). Our results indicate wearable cameras can provide
                objective, high time-resolution microenvironmental data useful
                for identifying peak exposures and providing insights not
                evident using standard self-reported time-activity.

# metadata.dc.relation.isformatof[].value
Reproducció del document publicat a:
                http://dx.doi.org/10.1016/j.envint.2018.05.021

# metadata.dc.source[].value
Articles publicats en revistes (ISGlobal)

# metadata.dc.title[].value
Wearable camera-derived microenvironments in relation to
                personal exposure to PM2.5