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87 results
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Factors affecting attrition in a longitudinal smoking prevention study.
Siddiqui O, Flay BR, Hu FB. Siddiqui O, et al. Prev Med. 1996 Sep-Oct;25(5):554-60. doi: 10.1006/pmed.1996.0089. Prev Med. 1996. PMID: 8888323
The application of Poisson random-effects regression models to the analyses of adolescents' current level of smoking.
Siddiqui O, Mott J, Anderson T, Flay B. Siddiqui O, et al. Prev Med. 1999 Aug;29(2):92-101. doi: 10.1006/pmed.1999.0517. Prev Med. 1999. PMID: 10446034
Random-effects regression analysis of correlated grouped-time survival data.
Hedeker D, Siddiqui O, Hu FB. Hedeker D, et al. Among authors: siddiqui o. Stat Methods Med Res. 2000 Apr;9(2):161-79. doi: 10.1177/096228020000900206. Stat Methods Med Res. 2000. PMID: 10946432
Characteristics of inconsistent respondents who have "ever used" drugs in a school-based sample.
Siddiqui O, Mott JA, Anderson TL, Flay BR. Siddiqui O, et al. Subst Use Misuse. 1999 Jan;34(2):269-95. doi: 10.3109/10826089909035646. Subst Use Misuse. 1999. PMID: 10069753 Clinical Trial.
Patterns of use of smokeless tobacco and the unidimensional model of drug involvement.
Hu FB, Hedeker D, Day LE, Flay BR, Siddiqui O, Sussman S, Richardson J. Hu FB, et al. Among authors: siddiqui o. Addict Behav. 1997 Mar-Apr;22(2):257-61. doi: 10.1016/s0306-4603(96)00020-2. Addict Behav. 1997. PMID: 9113219
The patterns and predictors of smokeless tobacco onset among urban public school teenagers.
Hu FB, Hedeker D, Flay BR, Sussman S, Day LE, Siddiqui O. Hu FB, et al. Among authors: siddiqui o. Am J Prev Med. 1996 Jan-Feb;12(1):22-8. Am J Prev Med. 1996. PMID: 8776291
Intraclass correlation estimates in a school-based smoking prevention study. Outcome and mediating variables, by sex and ethnicity.
Siddiqui O, Hedeker D, Flay BR, Hu FB. Siddiqui O, et al. Am J Epidemiol. 1996 Aug 15;144(4):425-33. doi: 10.1093/oxfordjournals.aje.a008945. Am J Epidemiol. 1996. PMID: 8712201
The television, school, and family smoking prevention and cessation project. VIII. Student outcomes and mediating variables.
Flay BR, Miller TQ, Hedeker D, Siddiqui O, Britton CF, Brannon BR, Johnson CA, Hansen WB, Sussman S, Dent C. Flay BR, et al. Among authors: siddiqui o. Prev Med. 1995 Jan;24(1):29-40. doi: 10.1006/pmed.1995.1005. Prev Med. 1995. PMID: 7740012 Clinical Trial.
Differential influence of parental smoking and friends' smoking on adolescent initiation and escalation of smoking.
Flay BR, Hu FB, Siddiqui O, Day LE, Hedeker D, Petraitis J, Richardson J, Sussman S. Flay BR, et al. Among authors: siddiqui o. J Health Soc Behav. 1994 Sep;35(3):248-65. J Health Soc Behav. 1994. PMID: 7983337
A comparison of the random-effects pattern mixture model with last-observation-carried-forward (LOCF) analysis in longitudinal clinical trials with dropouts.
Siddiqui O, Ali MW. Siddiqui O, et al. J Biopharm Stat. 1998 Nov;8(4):545-63. doi: 10.1080/10543409808835259. J Biopharm Stat. 1998. PMID: 9855033
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