Inclusion criteria: |
(1) desire to lose weight |
(2) aged 35–60 |
(3) BMI of 30 to 45 kg/m2 |
(4) able to access to the internet via a computer or other device. |
Exclusion criteria: |
(1) medical-conditions, such as coronary artery disease, type I diabetes or insulin-treated type 2 diabetes, stroke or cognitive impairment, terminal illness |
(2) unable to read, write, or understand English |
(3) learning difficulties |
(4) taking medication that could affect weight. |