Table 3.
Within- and between-group comparisons in nutrient intakes, weight outcomes and HbA1c in adults with type 2 diabetes
| Outcome | Baseline |
Change score |
Change score |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Six-serving group (n 15) |
Eight-serving group (n 20) |
Six-serving group (n 15)† |
Eight-serving group (n 20)† |
All participants (n 35)† |
||||||||
| Mean | SE | Mean | SE | P value‡ | Mean | SE | Mean | SE | P value‡ | Mean | SE | |
| Energy (kJ) | 9082·2 | 579·9 | 9520·7 | 502·5 | 0·57 | −2111·7*** | 554·4 | −1876·1*** | 476·6 | 0·75 | −1976·9*** | 356·3 |
| Energy (kcal) | 2170·7 | 138·6 | 2275·5 | 120·1 | 0·57 | −504·7*** | 132·5 | −448·4*** | 113·9 | 0·75 | −472·49*** | 85·15 |
| Carbohydrate (g) | 226·70 | 17·20 | 250·19 | 14·90 | 0·31 | −40·35* | 17·26 | −46·80** | 14·85 | 0·78 | −44·08*** | 11·09 |
| Carbohydrate (%E) | 41·35 | 1·95 | 42·55 | 1·69 | 0·64 | 3·63 | 2·33 | 1·07 | 2·01 | 0·41 | 2·16 | 1·52 |
| Protein (%E) | 17·63 | 1·18 | 17·64 | 1·03 | 0·99 | 3·10** | 1·02 | 0·68 | 0·88 | 0·08 | 1·71* | 0·68 |
| Total fat (%E) | 40·85 | 1·74 | 39·58 | 1·51 | 0·58 | −6·58** | 2·25 | −1·58 | 1·93 | 0·10 | −3·69* | 1·52 |
| Saturated fat (%E) | 13·73 | 0·65 | 13·41 | 0·56 | 0·71 | −2·36** | 0·76 | −1·26 | 0·66 | 0·28 | −1·73** | 0·50 |
| Cholesterol (mg/4184 kJ) | 170·88 | 20·15 | 167·57 | 17·45 | 0·90 | −31·09 | 19·48 | −4·33 | 16·75 | 0·31 | −15·71 | 12·82 |
| Total fibre (g/4184kJ) | 10·16 | 0·88 | 9·65 | 0·77 | 0·66 | 2·53** | 0·79 | 3·79*** | 0·68 | 0·24 | 3·25*** | 0·51 |
| Insoluble fibre (g/4184kJ) | 6·92 | 0·67 | 6·36 | 0·58 | 0·53 | 1·95** | 0·65 | 3·01*** | 0·56 | 0·23 | 2·56*** | 0·42 |
| Soluble fibre (g/4184kJ) | 3·16 | 0·34 | 3·20 | 0·30 | 0·92 | 0·52 | 0·35 | 0·77* | 0·30 | 0·58 | 0·67** | 0·23 |
| Total sugars (g/4184kJ) | 36·95 | 3·78 | 43·01 | 3·28 | 0·23 | 10·26** | 3·53 | 2·94 | 3·04 | 0·13 | 6·05* | 2·36 |
| Added sugars (g/4184 kJ) | 19·53 | 3·12 | 27·53 | 2·70 | 0·06 | −5·13 | 2·71 | −6·38** | 2·33 | 0·73 | −5·85** | 1·75 |
| Ca (mg/4184 kJ) | 467·72 | 51·93 | 420·41 | 44·98 | 0·49 | 154·11*** | 41·19 | 43·20 | 35·39 | 0·05 | 89·83** | 28·48 |
| Vitamin D (μg/4184 kJ) | 2·09 | 0·46 | 2·23 | 0·40 | 0·82 | 1·01** | 0·34 | −0·12 | 0·29 | 0·02 | 0·36 | 0·24 |
| Glycaemic index | 61·66 | 1·12 | 61·11 | 0·97 | 0·71 | −6·62*** | 1·31 | −4·61*** | 1·13 | 0·25 | −5·46*** | 0·86 |
| Glycaemic load | 127·83 | 10·02 | 139·45 | 8·68 | 0·38 | −36·12*** | 9·83 | −36·82*** | 8·45 | 0·96 | −36·54*** | 6·30 |
| Weight (kg) | ||||||||||||
| Male | 122·73 | 10·11 | 106·68 | 10·11 | 0·29 | −2·51 | 1·27 | −2·47 | 1·27 | 0·98 | −2·49** | 0·86 |
| Female | 110·84 | 6·33 | 100·73 | 5·27 | 0·23 | −3·96* | 1·74 | −0·99 | 1·45 | 0·21 | −2·20 | 1·13 |
| Waist circumference (cm) | ||||||||||||
| Male | 128·40 | 6·58 | 115·62 | 6·58 | 0·20 | −2·52 | 1·25 | −2·84* | 1·25 | 0·86 | −2·68** | 0·85 |
| Female | 125·77 | 4·93 | 120·72 | 3·97 | 0·43 | −2·60 | 1·87 | −1·87 | 1·56 | 0·77 | −2·18 | 1·17 |
| BMI (kg/m2) | ||||||||||||
| Male | 39·32 | 2·56 | 32·53 | 2·56 | 0·09 | −0·82 | 0·41 | −0·76 | 0·41 | 0·92 | −0·79* | 0·27 |
| Female | 40·34 | 2·27 | 38·09 | 1·89 | 0·45 | −1·44* | 0·65 | −0·37 | 0·54 | 0·23 | −0·81 | 0·42 |
| HbA1c(%) | 8·84 | 0·46 | 8·86 | 0·40 | 0·98 | −0·38 | 0·33 | −0·73** | 0·28 | 0·43 | −0·58** | 0·21 |
HbA1c, glycosylated Hb; %E, percentage of energy.
Significant within-group change from baseline using contrasts based on repeated measures ANOVA.
P≤0·05
P≤0·01
P≤0·001.
One participant in each treatment group reported low energy intake at study end due to illness and was deleted from the nutrient analysis. Both participants were included in the analysis for weight and glycaemic control.
Between-group comparison at each assessment using contrasts based on repeated measures ANOVA.