TABLE 4—

Prevalence Rates for Various Health and Health Care Service Use Measures by Household Telephone Status: United States, January 2004–June 2005

	All Adults With Known Household Telephone Status (n = 46 257 Adults), % (95% CI)	Adults in Households With Landline Telephones (n = 41 605 adults), % (95% CI)	Difference, % (95% CI)
Health-related behaviors
5 or more alcoholic drinks in 1 day at least once in past year	19.3 (18.7, 19.9)	18.0 (17.4, 18.5)	1.35 (1.06, 1.64)a
Current smoker	20.9 (20.4, 21.4)	19.7 (19.2, 20.2)	1.17 (0.97, 1.36)a
Engaged in regular leisure-time physical activity	30.5 (29.8, 31.2)	30.5 (29.8, 31.1)	0.07 (−0.22, 0.36)
Health status
Health status described as excellent or very good	61.5 (60.9, 62.1)	61.4 (60.8, 62.1)	0.08 (−0.18, 0.34)
Experienced serious psychological distress in past 30 days	3.0 (2.8, 3.2)	2.8 (2.6, 3.0)	0.19 (0.11, 0.27)a
Obese (adults aged 20 years or older)	24.8 (24.3, 25.3)	25.0 (24.4, 25.5)	−0.15 (−0.34, 0.05)
Asthma episode in past 12 mo	3.7 (3.5, 3.9)	3.7 (3.5, 3.9)	0.02 (−0.01, 0.05)
Ever diagnosed with diabetes	7.1 (6.8, 7.4)	7.4 (7.1, 7.7)	−0.32 (−0.39, −0.25)a
Health care service use
Has usual place to go for medical care	84.2 (83.7, 84.8)	85.8 (85.3, 86.3)	−1.59 (−1.84, −1.34)a
Received influenza vaccine during past 12 mo	26.5 (26.0, 27.1)	27.7 (27.2, 28.2)	−1.16 (−1.32, −0.99)a
Ever received pneumococcal vaccination	16.5 (16.1, 17.0)	17.3 (16.9, 17.8)	−0.79 (−0.92, −0.66)a
Ever been tested for HIV	34.8 (34.2, 35.5)	34.1 (33.4, 34.8)	0.75 (0.57, 0.94)a
Failed to obtain needed medical care in past 12 mo because of financial barriers	7.1 (6.8, 7.4)	6.5 (6.2, 6.8)	0.59 (0.48, 0.70)a
Currently uninsured	16.4 (15.9, 16.9)	14.8 (14.3, 15.3)	1.59 (1.36, 1.82)a

Note. CI = confidence interval.

Source. Centers for Disease Control and Prevention, National Center for Health Statistics. National Health Interview Survey, 2004–2005. ^a This confidence interval does not include 0.0 and indicates a statistically significant difference, P < .05.