INS and diabetes mellitus: Adjusted for sex, diabetes duration, smoking, energy intake, physical activity and mode of insulin administration, the number of meals was negatively associated with HbA1c (B, 95% Wald Confidence Interval, −0.615, −1.108 to −0.123, p = 0.014), and the mean of the blood glucose measurements (−0.097, −0.166 to −0.028, p = 0.006), but positively associated with the variability of the blood glucose measurements (0.006, 0.001 to 0.010, p = 0.020).