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Patterns of and reasons for electronic cigarette use in primary care patients.

Patterns of and reasons for electronic cigarette use in primary care patients.
Author Information (click to view)

Kalkhoran S, Alvarado N, Vijayaraghavan M, Lum PJ, Yuan P, Satterfield JM,


Kalkhoran S, Alvarado N, Vijayaraghavan M, Lum PJ, Yuan P, Satterfield JM, (click to view)

Kalkhoran S, Alvarado N, Vijayaraghavan M, Lum PJ, Yuan P, Satterfield JM,

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Journal of general internal medicine 2017 07 14() doi 10.1007/s11606-017-4123-x

Abstract
BACKGROUND
Electronic cigarette (e-cigarette) use is rising in both the general and clinical populations. Little is known about e-cigarette use in primary care, where physicians report discussing e-cigarette use with patients.

OBJECTIVE
Identify how and why smokers in primary care use e-cigarettes.

DESIGN
Cross-sectional secondary data analysis from a randomized controlled trial of a tablet intervention to deliver the 5As for smoking cessation in primary care.

PARTICIPANTS
Current smokers aged 18 and older in three primary care clinics in San Francisco, CA (N = 788).

MAIN MEASURES
Patients reported sociodemographics, cigarette smoking habits, quitting readiness, and ever and current use of e-cigarettes. We also asked reasons they have used or would use e-cigarettes. ICD-9 codes from the medical record determined comorbidities.

KEY RESULTS
Fifty-two percent (n = 408) of patients reported ever using an e-cigarette, and 20% (n = 154) reported past-30-day use. Ever e-cigarette use was associated with younger age and negatively associated with being seen at practices at a public safety-net hospital compared to a practice at University-affiliated hospital. The most common reason for having used e-cigarettes among ever e-cigarette users, and for interest in future use of e-cigarettes among never e-cigarette users, was to cut down cigarette use. The mean number of days of e-cigarette use in the past 30 increased with duration of e-cigarette use. Most current e-cigarette users did not know the nicotine content of their e-cigarettes.

CONCLUSIONS
Over half of smokers in primary care have ever used e-cigarettes, and one-fifth are currently using them. Most reported using e-cigarettes to cut down or quit cigarettes. Primary care providers should be prepared to discuss e-cigarettes with patients. Screening for e-cigarette use may help identify and treat patients interested in changing their cigarette smoking habits.

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