User profiles for "author:Daniel Kotz"

Daniel Kotz

Institute of General Practice Addiction Research and Clinical Epidemiology Unit, Medical …
Verified email at med.uni-duesseldorf.de
Cited by 7200

Smoking cessation for people with chronic obstructive pulmonary disease

EAM van Eerd, RM van der Meer… - Cochrane Database …, 2016 - cochranelibrary.com
Background Smoking cessation is the most important treatment for smokers with chronic
obstructive pulmonary disease (COPD), but little is known about the effectiveness of different …

Differential attrition in health behaviour change trials: a systematic review and meta-analysis

R Crutzen, W Viechtbauer, M Spigt, D Kotz - Psychology & health, 2015 - Taylor & Francis
Objective: Attrition is a common problem in health behaviour change (HBC) trials. When the
degree of attrition differs between treatment conditions, then this is called differential attrition …

Healthcare financing systems for increasing the use of tobacco dependence treatment

AA Reda, D Kotz, SMAA Evers… - Cochrane Database …, 2012 - cochranelibrary.com
Background We hypothesized that provision of financial assistance for smokers trying to quit,
or reimbursement of their care providers, could lead to an increased rate of successful quit …

Real‐world effectiveness of e‐cigarettes when used to aid smoking cessation: a cross‐sectional population study

J Brown, E Beard, D Kotz, S Michie, R West - Addiction, 2014 - Wiley Online Library
Abstract Background and Aims Electronic cigarettes (e‐cigarettes) are rapidly increasing in
popularity. Two randomized controlled trials have suggested that e‐cigarettes can aid …

A simple formula for the calculation of sample size in pilot studies

W Viechtbauer, L Smits, D Kotz, L Budé, M Spigt… - Journal of clinical …, 2015 - Elsevier
One of the goals of a pilot study is to identify unforeseen problems, such as ambiguous
inclusion or exclusion criteria or misinterpretations of questionnaire items. Although sample …

Explaining the social gradient in smoking cessation: it's not in the trying, but in the succeeding

D Kotz, R West - Tobacco control, 2009 - tobaccocontrol.bmj.com
Objective: Smokers from more deprived socioeconomic groups are less likely to become ex-
smokers. This study examined how far this is attributable in England to a social gradient in …

[HTML][HTML] Predictive validity of the Motivation To Stop Scale (MTSS): a single-item measure of motivation to stop smoking

D Kotz, J Brown, R West - Drug and alcohol dependence, 2013 - Elsevier
BACKGROUND: Many different measures of motivation to stop smoking exist but it would be
desirable to have a brief version that is standard for use in population surveys and for …

'Real‐world'effectiveness of smoking cessation treatments: a population study

D Kotz, J Brown, R West - Addiction, 2014 - Wiley Online Library
Background and aims There is a need for more evidence on the 'real‐world'effectiveness of
commonly used aids to smoking cessation from population‐level studies. This study …

[HTML][HTML] A mobile app to aid smoking cessation: preliminary evaluation of SmokeFree28

HK Ubhi, S Michie, D Kotz, WC Wong, R West - Journal of medical Internet …, 2015 - jmir.org
Background Little is known about the effectiveness of mobile apps in aiding smoking
cessation or their validity for automated collection of data on smoking cessation outcomes …

[HTML][HTML] How effective and cost-effective was the national mass media smoking cessation campaign 'Stoptober'?

J Brown, D Kotz, S Michie, J Stapleton… - Drug and alcohol …, 2014 - Elsevier
Background A national smoking cessation campaign based on behaviour change theory
and operating through both traditional and new media was launched across England during …