Table 1. The minimum total sample size calculations for the knowledge, attitude and practices of the hypertensive patients’ lifestyle modifications.

Variable	Assumption	Total sample size
Knowledge towards life style modification of HTN patients	P = 0.39(12) Z at 95% (1.96), d = 0.05	n = 365
Attitude towards life style modification of HTN patients	P = 0.94(12) Z at 95% (1.96), d = 0.03	n = 240
Practices towards life style modification of HTN patients	P = 0.41(12) Z at 95% (1.96), d = 0.05	n = 369