Item

Mean value out of 2

Standard Deviation

Using gas stove

1.87

0.41

Using perfumes

1.83

0.43

Using candles

1.66

0.55

Using room deodorizer

1.59

0.59

Using metal polishes

1.26

0.69

Bringing dry-cleaned articles in the house

1.24

0.79

Using insecticide

1.16

0.58

Not using air purifier

1.13

0.83

Using paint

1.11

0.63

Using pesticide

1.06

0.62

Using adhesives

0.96

0.62

Using oil or kerosene heater

0.89

0.72

Not keeping houseplants

0.84

0.78

A home craft is carried out

0.78

0.76

Not opening windows of the rooms of the house

0.26

0.50

Not operating the air exhaust fans in the kitchen

0.13

0.42

Not operating the air exhaust fans in the bathroom

0.12

0.39