• 1
    Katz JN Phillips CB, Baron JA, Fossel AH, Mahomed NN, Barrett J, et al. Association of hospital and surgeon volume of total hip replacement with functional status and satisfaction three years following surgery. Arthritis Rheum 2003; 48: 5608.
  • 2
    Worthen B, Valcarce R. Relative effectiveness of personalized and form covering letters in initial and follow-up mail surveys. Psychol Rep 1985; 57: 73544.
  • 3
    Maheux B, Legault C, Lambert J. Increasing response rates in physicians' mail surveys: an experimental study. Am J Public Health 1989; 79: 6389.
  • 4
    Gilbart E, Kreiger N. Improvement in cumulative response rates following implementation of a financial incentive. Am J Epidemiol 1998; 148: 979.
  • 5
    Little RE, Davis AK. Effectiveness of various methods of contact and reimbursement on response rates of pregnant women to a mail questionnaire. Am J Epidemiol 1984; 120: 1613.
  • 6
    Gerace TA, George VA, Arango IG. Response rates to six recruitment mailing formats and two messages about a nutrition program for women 50-79 years old. Control Clin Trials 1995; 16: 42231.
  • 7
    Rimm EB, Stampfer MJ, Colditz GA, Giovannucci E, Willett WC. Effectiveness of various mailing strategies among nonrespondents in a prospective cohort study. Am J Epidemiol 1990; 131: 106871.
  • 8
    Asch DA, Christakis NA. Different response rates in a trial of two envelop styles in mail survey research. Epidemiology 1994; 5: 3645.
  • 9
    Choi BC, Pak AW, Purdham JT. Effects of mailing strategies on response rate, response time, and cost in a questionnaire study among nurses. Epidemiology 1990; 1: 724.
  • 10
    Asch DA, Jedrziewski MK, Christakis NA. Response rates to mail surveys published in medical journals. J Clin Epidemiol 1997; 50: 112936.
  • 11
    Tworoger SS, Yasui Y, Ulrich CM, Nakamura H, LaCroix K, Johnston R, et al. Mailing strategies and recruitment into an intervention trial of the exercise effect on breast cancer biomarkers. Cancer Epidemiol Biomarkers Prev 2002; 11: 737.