Table 2 Measures and factor loadings.
Constructs and source | Code | Item | Loading |
|---|---|---|---|
Past behavior | |||
PB1 | In the last month, have you used a refillable bottle for drinking away from home? (1 = no, 5 = very often) | 0.95 | |
PB2 | In the last month, how often did you use a refillable bottle for drinking away from home? (1 = never, 5 = every day) | 0.95 | |
Attitude toward the behavior | To use a refillable bottle for drinking away from home in the next month would be… | ||
ATT1 | unpleasant–pleasant (1 = negative pole, 7 = positive pole) | 0.65 | |
ATT2 | negative–positive (1 = negative pole, 7 = positive pole) | 0.84 | |
ATT3 | stupid–intelligent (1 = negative pole, 7 = positive pole) | 0.79 | |
ATT4 | harmful–beneficial (1 = negative pole, 7 = positive pole) | 0.64 | |
ATT5 | undesirable–desirable (1 = negative pole, 7 = positive pole) | 0.66 | |
Subjective norm | |||
SN1 | Most of the people who are important to me (family members, friends and partner) think I should use a refillable bottle for drinking away from home in the next month (1 = strongly disagree, 5 = strongly agree) | 0.77 | |
SN2 | Most people who are important to me (family members, friends and partner) would approve if I use a refillable bottle for drinking away from home in the next month (1 = strongly disagree, 5 = strongly agree) | 0.88 | |
SN3 | Most people who are important to me (family members, friends and partner) encourage me to use a refillable bottle for drinking away from home in the next month (1 = strongly disagree, 5 = strongly agree) | 0.75 | |
Perceived behavioral control | |||
Canova et al. (2022) | PBC1 | Using a refillable bottle for drinking away from home in the next month is an easy behavior for me to perform (1 = strongly disagree, 5 = strongly agree) | 0.88 |
PBC2 | Using a refillable bottle for drinking away from home in the next month is a behavior under my control (1 = strongly disagree, 5 = strongly agree) | 0.65 | |
PBC3 | How much control do you think you have over the behavior of using a refillable bottle for drinking away from home in the next month? (from 1 = no control to 5 = full control) | 0.72 | |
Self-identity | |||
SI1 | I see myself as a person who is interested in using a refillable bottle for drinking away from home (1 = strongly disagree, 5 = strongly agree) | 0.85 | |
SI2 | I think of myself as a person who uses a refillable bottle for drinking away from home (1 = strongly disagree, 5 = strongly agree) | 0.89 | |
SI3 | Using a refillable bottle for drinking away from home is an important part of who I am (1 = strongly disagree, 5 = strongly agree) | 0.67 | |
SI4 | I am the kind of person who uses a refillable bottle for drinking away from home (1 = strongly disagree, 5 = strongly agree) | 0.89 | |
Intention | |||
INT1 | I intend to use a refillable bottle for drinking away from home in the next month (from 1 = strongly disagree to 5 = strongly agree) | 0.88 | |
INT2 | How likely is it that you will form the intention to use a refillable bottle for drinking away from home in the next month? (from 1 = very unlikely to 5 = very likely) | 0.85 | |
INT3 | How likely is it that you will actually use a refillable bottle for drinking away from home in the next month? (1 = very unlikely, 5 = very likely) | 0.91 | |
Future behavior: using a refillable bottle | |||
Canova et al. (2020a) | BEH1 | In the last month, have you used a refillable bottle for drinking away from home? (1 = no, 5 = very often) | 0.96 |
BEH2 | In the last month, how often did you use a refillable bottle for drinking away from home? (1 = never, 5 = every day) | 0.95 | |
