Table 4.

Frequencies of Survey Respondents and Age-Adjusted Estimates of Oklahoma's Hypertensive Residents Who Followed a Doctor's Advice or Managed Blood Pressure On Their Own, Behavioral Risk Factor Surveillance System, Oklahoma, 2007^a

Treatment	Advised by Doctor		Not Advised by Doctor		P Value
	Sample Sizebn/N	Weighted %c(95% CI)	Sample Sizebn/N	Weighted %c(95% CI)
Took medication	2,399/2,614	80.3 (76.0-83.9)	25/174	11.8 (8.1-16.9)	<.05
Modified diet	1,238/1,544	80.4 (76.3-84.0)	584/1,211	46.2 (39.4-53.1)	<.05
Reduced salt intaked	1,396/1,602	84.8 (79.9-88.6)	515/886	57.1 (50.3-63.6)	<.05
Reduced alcohol intakee	273/324	81.3 (73.1-87.4)	307/674	47.8 (41.2-54.6)	<.05
Exercised	1,256/1,880	71.3 (67.3-75.0)	373/875	47.6 (40.3-55.0)	<.05

Abbreviation: CI, confidence interval.

^a Records with missing data were excluded from summary analyses specific to the variable to which the missing data pertained.

^b Sample size refers to the number of respondents who engaged in the action (n)/number of respondents who were advised of the treatment method (N).

^c Data were weighted and adjusted for noncoverage, nonresponse, and the number of adults and telephones in the household.

^d Weighted percentages include only those who used salt (n = 2,685).

^e Weighted percentages include only those who consumed alcohol (n = 1,230).