The subjects were selected based upon the following criteria: 1) diagnosis of type 1 diabetes for ≥18 months before enrollment, 2) aged 13–18 years at the time of enrollment, 3) presentation to the clinic for routine care, 4) no hospital admissions for medical or psychiatric reasons in the 12 months before enrollment, 5) ability to be accessed by phone, and 6) not pregnant (Altschuler, 2007). Based off of the selection method used for these participants, it can be concluded that this was a prospective style study. I base this off the subjects having similar characteristics, which were being adolescents and predisposed with type 1 diabetes as well as the study being done over the course of 90 days. The article does not discuss how the subjects were selected, in regards to which subjects received cinnamon vs what subjects did …show more content…
In addition, a member of the research team would call the subject every two weeks during the study to assess the adherence, collect data on insulin use and determine if there were any adverse effects (Altschuler, 2007). After observing the subjects for 90 days, A1C levels were drawn and compared to those drawn prior to the study. Analysis of the A1C levels for this study revealed that the mean change was not statistically significant between the placebo and cinnamon groups. The group taking the cinnamon had a mean A1C of 8.8 vs the placebo group whose mean was 8.7. The mean change for the group taking cinnamon was 0.3 vs the placebo group, which had no change (Altshueler, 2007). Analysis of daily insulin use revealed that patients receiving cinnamon used 2.9 units of more insulin when compared to the placebo group. The cinnamon group also reported of having more hypoglycemic, or low blood sugar episodes than those in the placebo group. However this value had no statistical significance when P=0.17 (Altshuerler,