According to the results in Table 2 and based on the antioxidant potential categorised by Pasias et al. [ 27] and Tsai et al. [ 13] the PKC extract and silymarin is considered as good DPPH, ABTS and NO scavengers.
We employed an area-based measure of socioeconomic status based on the patient's residence, categorised into quintiles of increasing socioeconomic deprivation.
An important observation is that if the data for the figure are based on a categorised sample of the candidate term pairs instead of a categorisation of all candidate term pairs, the figure is more coarse-grained and the cut-off qvalue is harder to select than in this study.
Based on the structure, mucins are categorised into three distinct forms: membrane spanning (MUC1, MUC3, MUC4, MUC12 and MUC17), gel forming (MUC2, MUC5AC, MUC5B and MUC6), and soluble (MUC7) (Moniaux et al, 2001).
Further data collection included father's occupation which was used to derive social class based on the UK Registrar General's Standard Occupational Classification (categorised as professional, managerial, skilled, semi-skilled, unskilled), and birth weight (kg, standardised for gestational age and gender).
Duration of diabetes was categorised as ≤2, >2 10 and >10 years; education was categorised based on the number of years in school, namely 0 6, 7 10 and >10 years.
