Hardie plank siding is a premium brand of cement board siding (also known as fiber cement board siding) produced by the James Hardie Company.ardie plank can be purchased with a wood-grain look, a plain smooth look or a stucco type finish. Hardie plank also comes in simulated cedar shingle planks.
activity duration. Period (hours, days, weeks) required to complete an activity. Activities with zero duration are called milestones.
Interventions have lasted from 2 weeks [24] to 11 months [27] in duration. The mean baseline step-defined physical activity was 4,196 steps/day (weighted mean = 3,556 steps/day); a value that is considered representative of sedentary populations [15].