Table 3.

The significant stepwise regression models for the relationship between fruit frequency, savoury snacking and psychological health, including covariates (n 428)

Depression	Exercise	Age	General health rating	Smoking status	Fruit frequency
Unstandardised β	–0·003	–0·050	–0·507	–0·519	–0·188
Standardised β	–0·112	–0·180	–0·128	–0·112	–0·109
P	0·021	< 0·001	0·008	0·019	0·025
	Step 1	Step 2	Step 3	Step 4	Step 5
R, R²	0·164, 0·027	0·216, 0·047	0·262, 0·068	0·290, 0·084	0·308, 0·095
R² change	0·027	0·020	0·022	0·016	0·011
Adjusted R²	0·025	0·042	0·062	0·075	0·084
Wellbeing	General health rating	Fruit frequency	Age
Unstandardised β	2·888	0·916	0·110
Standardised β	0·255	0·187	0·140
P	< 0·001	< 0·001	0·003
	Step 1	Step 2	Step 3
R, R²	0·254, 0·064	0·310, 0·096	0·340, 0·116
R² change	0·064	0·032	0·019
Adjusted R²	0·062	0·092	0·109
Anxiety	Age	General health rating	Smoking status	Savoury snacking	Sex
Unstandardised β	–0·108	–0·677	–0·805	0·362	0·898
Standardised β	–0·311	–0·136	–0·139	0·127	0·101
P	< 0·001	0·003	0·002	0·005	0·029
	Step 1	Step 2	Step 3	Step 4	Step 5
R, R²	0·324, 0·105	0·361, 0·130	0·385, 0·148	0·403, 0·163	0·415, 0·172
R² change	0·105	0·025	0·018	0·014	0·010
Adjusted R²	0·103	0·126	0·142	0·155	0·162

Note: Depression: Step 1 exercise; Step 2 age was added; Step 3 general health rating added; Step 4 smoking status added; Step 5 fruit frequency added. Wellbeing: Step 1 general health rating; Step 2 fruit frequency was added; Step 3 age added. Anxiety: Step 1 age; Step 2 general health rating was added; Step 3 smoking status added; Step 4 savoury snacking added; Step 5 sex added.