Int. J. Environ. Res. Public Health 2009, 6 701 Table 4. Use of a remote car starter in winter in southern Québec for various respondents characteristics: percentages corrected for stratified sampling, and p value.  Variables Sociodemographic characteristics Gender:  women  men First language learned at home:  English only  French only  Other language Status as parent:  no children  adult children only  at least one minor child Cohabitation:  lives with other people (related or not)  lives alone Dwelling and region of residence Type of dwelling:  house  apartment, building ≤ 4 storeys  apartment, building ≥ 5 storeys Region lived in:  Eastern Québec  Northern part of southern Québec  Central Québec  Québec City region  North of Montréal  South of Montréal  Montréal and Laval Region of residence perceived as prone to ice storms:  a lot  average  not much  not at all Region of residence perceived as prone to winter smog:  a lot  average  not much  not at all Region of residence perceived as prone to cold waves:  a lot  average  not much  not at all Using a car:  less than once a day  every day Meteorological reports in the media Consultation of temperature:  often or always  sometimes  rarely or never Remote car starter yes no 35.3 % 2 27.1 % 16.2 % 32.6 % 31.5 % 28.1 % 33.4 % 31.6 % 31.9 % 27.4 % 32.5 % 28.9 % 19.6 % 37.7 % 53.2 % 36.9 % 30.6 % 34.0 % 28.3 % 23.8 % 29.4 % 28.5 % 35.3 % 33.8 % 28.4 % 26.1 % 31.5 % 34.4 % 27.5 % 34.2 % 30.5 % 30.1 % 27.5 % 32.9 % 32.5 % 29.1 % 22.8 % 64.7 % 72.9 % 83.84 % 67.4 % 68.6 % 71.9 % 66.6 % 68.5 % 68.1 % 72.6 % 67.5 % 71.1 % 80.4 % 62.3 % 46.8 % 63.1 % 69.4 % 66.0 % 71.7 % 76.3 % 70.6 % 71.5 % 64.7 % 66.2 % 71.6 % 73.9 % 68.5 % 65.6 % 72.5 % 65.8 % 69.5 % 69.9 % 72.5 % 67.1 % 67.5 % 70.9 % 77.3 % p value 1 < 0.0001 0.0008 0.1376 0.1097 0.0574 < 0.0001 0.0386 0.0140 0.0444 0.0130 0.0168