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A systematic survey of caffeine intake in Vermont.
Exp Clin Psychopharmacol 1997; 5(4):393-8EC

Abstract

Detailed data were collected on lifetime caffeine intake from 202 Vermont residents using a random-digit dial telephone survey. The sample appeared representative and test-retest reliability of caffeine intake was high (r = .95). Almost all participants (96%) had ever used and most (83%) presently used one or more caffeinated beverages weekly. The average caffeine intake was 186 mg/day. Many caffeine users (61%) used caffeinated beverages other than coffee. Current caffeine intake was a poor measure of lifetime intake. For example, among ever-users of caffeine, 41% had stopped at least 1 type of caffeinated beverage and 14% had stopped caffeine altogether. Cessation was mostly due to health concerns and unpleasant side effects. It was concluded that simply asking about "usual" coffee use is a poor and biased estimate of lifetime caffeine use. Thus, prior findings that caffeine is not associated with medical or behavioral disorders may represent false-negative results.

Authors+Show Affiliations

Department of Psychiatry, University of Vermont, Burlington 05401-1419, USA.No affiliation info available

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

9386966

Citation

Hughes, J R., and A H. Oliveto. "A Systematic Survey of Caffeine Intake in Vermont." Experimental and Clinical Psychopharmacology, vol. 5, no. 4, 1997, pp. 393-8.
Hughes JR, Oliveto AH. A systematic survey of caffeine intake in Vermont. Exp Clin Psychopharmacol. 1997;5(4):393-8.
Hughes, J. R., & Oliveto, A. H. (1997). A systematic survey of caffeine intake in Vermont. Experimental and Clinical Psychopharmacology, 5(4), pp. 393-8.
Hughes JR, Oliveto AH. A Systematic Survey of Caffeine Intake in Vermont. Exp Clin Psychopharmacol. 1997;5(4):393-8. PubMed PMID: 9386966.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A systematic survey of caffeine intake in Vermont. AU - Hughes,J R, AU - Oliveto,A H, PY - 1997/12/5/pubmed PY - 2000/3/18/medline PY - 1997/12/5/entrez SP - 393 EP - 8 JF - Experimental and clinical psychopharmacology JO - Exp Clin Psychopharmacol VL - 5 IS - 4 N2 - Detailed data were collected on lifetime caffeine intake from 202 Vermont residents using a random-digit dial telephone survey. The sample appeared representative and test-retest reliability of caffeine intake was high (r = .95). Almost all participants (96%) had ever used and most (83%) presently used one or more caffeinated beverages weekly. The average caffeine intake was 186 mg/day. Many caffeine users (61%) used caffeinated beverages other than coffee. Current caffeine intake was a poor measure of lifetime intake. For example, among ever-users of caffeine, 41% had stopped at least 1 type of caffeinated beverage and 14% had stopped caffeine altogether. Cessation was mostly due to health concerns and unpleasant side effects. It was concluded that simply asking about "usual" coffee use is a poor and biased estimate of lifetime caffeine use. Thus, prior findings that caffeine is not associated with medical or behavioral disorders may represent false-negative results. SN - 1064-1297 UR - https://www.unboundmedicine.com/medline/citation/9386966/A_systematic_survey_of_caffeine_intake_in_Vermont_ L2 - http://content.apa.org/journals/pha/5/4/393 DB - PRIME DP - Unbound Medicine ER -