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. 2013 Jun 18;10(6):2515–2543. doi: 10.3390/ijerph10062515

Table S4.

Association between heat-related outcomes and candidate covariates (unadjusted ORs and 95% confidence intervals).

HRS HRI HRI + HRS
Demographics
Age
Young (<5) 0.10 * (0.031, 0.34) 1.02 (0.60, 1.72) 0.42 * (0.26, 0.67)
Elderly (>60) 2.80 * (1.74, 4.49) 1.30 (0.61, 2.77) 2.26 * (1.44, 3.55)
All other ages (5 ≤ age ≤ 60) (ref)
Monthly HH income (increase in 100 INR) 1.00 * (0.99, 1.00) 1.00 (0.99, 1.00) 1.00 (0.99, 1.00)
Bi-monthly electricity bill (increase in 100 INR) 0.96 * (0.94, 0.99) 0.98 (0.95, 1.02) 0.96 * (0.94, 0.99)
Exposure factors
Occupational category
Manual labor 1.40 (0.99, 1.96) 0.69 (0.44, 1.10) 1.16 (0.86, 1.56)
Service/Office/teacher 1.18 (0.79, 1.77) 0.82 (0.45, 1.48) 0.89 (0.62, 1.29)
Sales/Artisan 1.09 (0.72, 1.65) 0.80 (0.46, 1.38) 1.01 (0.69, 1.47)
Homemaker/none (ref)
Work outdoor in summer 0.85 (0.44, 1.66) 0.71 (0.34, 1.47) 0.78 (0.44, 1.38)
Location of work
Sun 2.67 * (1.65, 4.31) 1.01 (0.49, 2.06) 1.95 * (1.26, 3.02)
Mixed 1.02 (0.64, 1.63) 0.61 (0.33, 1.15) 0.89 (0.59, 1.35)
Shade (ref)
Kitchen located inside 2.55 * (1.61, 4.06) 2.09 (0.92, 4.74) 2.71 * (1.71, 4.29)
Transit: Walking vs. Auto rickshaw (ref) 2.49 * (1.58, 3.92) 1.98 (0.48, 8.05) 2.59 * (1.36, 4.95)
Cooling method
A/C or air cooler 0.15 * (0.053, 0.44) -- 0.11 * (0.034, 0.36)
Electric fan 0.54 * (0.34, 0.86) -- 0.69 (0.37, 1.27)
Other 0.88 (0.19, 4.04) -- 0.82 (0.15, 4.36)
None (ref)
Susceptibility factors
Chronic preexisting condition 3.37 * (2.57, 4.43) 1.52 * (1.02, 2.26) 2.52 * (1.95, 3.26)
Diarrheal preexisting condition 1.19 (0.69, 2.07) 3.25 * (1.78, 5.93) 2.05 * (1.34, 3.13)
Infectious preexisting condition 1.51 * (1.12, 2.03) 2.75 * (1.88, 4.02) 2.05 * (1.58, 2.67)
Barrier to A/C vs. Nothing/Don’t want to 1.42 * (1.07, 1.89) 2.40 * (1.65, 3.51) 1.90 * (1.43, 2.53)
Main source of drinking water
In-home tap 0.51 * (0.28, 0.92) 0.71 (0.35, 1.42) 0.41 * (0.20, 0.84)
Public 0.43 * (0.21, 0.89) 0.85 (0.30, 2.42) 0.42 * (0.18, 0.97)
Purchased (bottled/50L jugs) (ref)
Time of day get water
Morning 0.94 (0.44, 2.03) -- 1.52 (0.71, 3.26)
Noon 1.58 (0.67, 3.75) -- 3.49 * (1.37, 8.88)
Evening (ref)
Adaptive Behaviors
Access to information:
Visited a doctor for heat-related illness before 1.64 * (1.45, 2.17) -- 3.85 * (2.86, 5.00)
Heat warning source this past summer: People vs. Media (ref) 2.10 * (1.56, 2.81) 0.91 (0.61, 1.36) 1.59 * (1.19, 2.13)
Heat-related morbidity source where they have looked/would look
Media 0.76 (0.46, 1.25) 1.61 (0.85, 3.05) 1.10 (0.67, 1.81)
Don't Know 0.77 (0.25, 2.32) 0.81 (0.10, 6.40) 0.95 (0.23, 4.01)
Community (ref)
Person talked to about heat-related morbidity
No one 0.59 * (0.41, 0.83) 0.67 (0.38, 1.18) 0.57 * (0.40, 0.82)
Community 1.12 (0.58, 2.16) 0.93 (0.37, 2.33) 1.13 (0.57, 2.22)
Professional (ref)
Worried about getting sick from heat 2.65 * (1.03, 6.83) -- 2.93 * (1.02, 8.48)
Have sought heat-related morbidity info before 2.01 * (1.36, 2.97) 6.31 * (2.20, 18.12) 2.88 * (1.95, 4.26)
Coping methods frequency: Most of the time vs. Sometimes/Rarely (ref)
Stay indoors 1.31 (0.76, 2.25) 0.72 (0.28, 1.87) 0.95 (0.53, 1.71)
Drink plenty of water 1.62 (0.94, 2.79) 1.46 (0.62, 3.41) 1.76 * (1.03, 3.01)
Seek shade/tree 0.80 (0.61, 1.06) 0.74 (0.50, 1.09) 0.71 * (0.54, 0.94)
Wear light clothing 0.56 * (0.43, 0.72) 1.10 (0.75, 1.61) 0.68 * (0.52, 0.89)
Wear hat/cover head 0.72 * (0.53, 0.96) 0.92 (0.59, 1.44) 0.78 (0.57, 1.05)
Go to A/C location 0.39 (0.05, 2.85) -- 0.25 (0.035, 1.80)
Reduce activity 1.25 (0.86, 1.83) 0.72 (0.38, 1.35) 1.03 (0.67, 1.57)
Take cool showers 2.09 * (1.31, 3.34) 5.28 * (1.82, 15.29) 2.86 * (1.79, 4.56)
Avoid outdoor activity 0.54 (0.28, 1.02) 0.59 (0.14, 2.44) 0.50 * (0.27, 0.93)
Coping Score (2–13) - continuous 1.03 (0.96, 1.10) 0.98 (0.89, 1.07) 1.00 (0.94, 1.08)
Coping score level
Low (0–5) 0.74 (0.47, 2.50) 1.05 (0.34, 3.23) 1.25 (0.40, 1.61)
Moderate (6–9) 1.16 (0.88, 1.53) 1.23 (0.84, 1.81) 1.25 (0.95, 1.66)
High (10–16) (ref)
Measures of Social Connectedness:
Feel safe in neighborhood because of positive/neutral relations within neighborhood 1.45 (0.74, 2.86) 1.81 (0.26, 1.25) 1.61 (0.72, 3.57)
Did NOT Know most of their neighbors and talk to them often 1.15 (0.81, 1.62) 0.70 (0.40, 1.23) 0.96 (0.67, 1.38)
Nearest person they would call in an emergency
No one 0.54 (0.22, 1.32) -- 0.75 (0.21, 2.77)
Outside of neighborhood 0.66 (0.40, 1.08) -- 0.42 * (0.25, 0.68)
In the neighborhood (ref)
Respondent/neighbor have NOT checked on each other during heat wave and/or called on each other in an emergency 0.51* (0.34, 0.76) 0.19 * (0.087, 0.42) 0.36 * (0.24, 0.54)
Social connectedness score: (0–3)
0–1 1.15 (0.70, 1.87) 0.44 (0.19, 1.06) 0.84 (0.51, 1.39)
2 0.41 * (0.28, 0.59) 0.26 * (0.13, 0.49) 0.31 * (0.21, 0.46)
3 (ref)

* p < 0.05 compared to indicated reference.