The relationship between the elevation of Haemoglobin A1c level, sleep quality and sleep duration in clinically diagnosed pre-diabetic patients in a nationally representative sample

Abstract

Participants were recruited from the National Health Service England (NHSE) funded Healthier You: National Diabetes Prevention Programme (NDPP). Forty participants took part in the study. Potential participants were approached, by phone call once they were referred and registered on the NHSE NDPP. These programme participants were recruited through healthcare professional referrals (nurses and GPs) and self-referrals. Participants were eligible if aged 18 years and over; had an HbA1c referral reading of between 42-47mmol/mol within the last 12 months; and were registered on the NHSE NDPP. Exclusion criteria included participants with a severe debilitating disease which may have interfered with the study participation, under the age of 18 years, over the age of 65 years and/or pregnant. Participants received a pre-program information pack in conjunction with a SQ (sleep quality) and SD (sleep duration) questionnaire at the end of their 1:1 initial appointments for the NHSE NDPP. Participants were given prepaid envelopes to send their anonymised questionnaires back to the researcher once completed after their 1:1 appointment.