Table 3.
Multivariate Poisson regression analysis* of the relationship of selected baseline characteristics with the number of Fresh Fund visits by total length of Fresh Fund use. San Diego, California, 2010–2012 (n 7298)†
| ≤6 months (n 5134) | 6–12 months (n 625) | >12 months (n 468) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| RR | 95 % CI | P | RR | 95 % CI | P | RR | 95 % CI | P | |
| Age (10-year interval) | 0·98 | 0·99, 1·00 | 0·176 | –‡ | – | – | 0·96 | 0·91, 1·01 | 0·128 |
| Men | – | – | – | – | – | – | 1·16 | 1·00, 1·35 | 0·052 |
| Race/ethnicity | <0·001 | <0·001 | – | ||||||
| White | 1·00 | Ref. | 1·00 | Ref. | – | ||||
| Hispanic | 0·92 | 0·87, 0·97 | 0·91 | 0·80, 1·04 | – | – | |||
| Vietnamese | 1·18 | 1·07, 1·30 | 1·13 | 0·95, 1·35 | – | – | |||
| Other Asian | 1·11 | 1·03, 1·20 | 1·23 | 1·04, 1·46 | – | – | |||
| African American | 0·94 | 0·86, 1·02 | 0·80 | 0·64, 0·99 | – | – | |||
| East African | 1·01 | 0·88, 1·17 | 0·89 | 0·72, 1·10 | – | – | |||
| Multiple/Other | 1·00 | 0·88, 1·13 | 0·84 | 0·53, 1·33 | – | – | |||
| Survey language | 0·173 | – | – | ||||||
| English | 1·00 | Ref. | – | – | |||||
| Spanish | 1·00 | 0·95, 1·06 | – | – | – | – | |||
| Vietnamese | 1·04 | 0·94, 1·15 | – | – | – | – | |||
| Chinese | 0·70 | 0·52, 0·95 | – | – | – | – | |||
| Somali | 0·99 | 0·80, 1·25 | – | – | – | – | |||
| Government assistance | <0·001 | <0·001 | 0·081 | ||||||
| WIC | 1·00 | Ref. | 1·00 | Ref. | 1·00 | Ref. | |||
| SNAP/CalFresh | 1·26 | 1·20, 1·32 | 1·22 | 1·09, 1·35 | 1·04 | 0·92, 1·20 | |||
| SSI | 1·29 | 1·19, 1·32 | 1·10 | 0·95, 1·28 | 1·30 | 1·03, 1·63 | |||
| Season of enrolment | <0·001 | <0·001 | – | ||||||
| Summer | 1·00 | Ref. | 1·00 | Ref. | – | – | |||
| Autumn | 0·77 | 0·74, 0·81 | 1·14 | 1·00, 1·30 | – | – | |||
| Winter | 0·93 | 0·84, 1·03 | 1·29 | 1·13, 1·48 | – | – | |||
| Spring | 1·01 | 0·95, 1·06 | 1·23 | 1·08, 1·38 | – | – | |||
| Enrolment market | <0·001 | 0·027 | <0·001 | ||||||
| City Heights | 1·00 | Ref. | 1·00 | Ref. | 1·00 | Ref. | |||
| Southeast San Diego | 0·71 | 0·63, 0·80 | 0·94 | 0·67, 1·32 | –§ | – | |||
| San Marcos | 0·78 | 0·74, 0·82 | 0·82 | 0·73, 0·93 | 0·68 | 0·57, 0·80 | |||
| Golden Hill | 0·77 | 0·72, 0·82 | 0·98 | 0·76, 1·27 | –§ | – | |||
| Linda Vista | 1·19 | 1·13, 1·26 | 1·10 | 0·51, 2·37 | –§ | – | |||
| Servings F&V/d | 0·012 | – | – | ||||||
| <1 | 1·00 | Ref. | – | – | – | – | |||
| 1–2 | 1·24 | 1·08, 1·43 | – | – | – | – | |||
| 3–4 | 1·24 | 1·09, 1·43 | – | – | – | – | |||
| ≥5 | 1·26 | 1·09, 1·44 | – | – | – | – | |||
| Perceived diet quality | 0·050 | – | 0·060 | ||||||
| Very unhealthy | 1·00 | Ref. | – | – | 1·00 | Ref. | |||
| Unhealthy | 0·90 | 0·81, 1·00 | – | – | 1·05 | 0·90, 1·22 | |||
| Average | 0·92 | 0·83, 1·02 | – | – | 0·87 | 0·73, 1·03 | |||
| Healthy | 0·94 | 0·86, 1·04 | – | – | 1·12 | 0·73, 1·74 | |||
| Very healthy | 0·98 | 0·88, 1·10 | 1·29 | 0·46, 3·60 | |||||
RR, relative risk; WIC, Special Supplemental Nutrition Program for Women, Infants, and Children; SNAP, Supplemental Nutrition Assistance Program; SSI, Supplemental Security Income; F&V, fruits and vegetables; ref., reference category.
*
Adjusted for all other variables in the multivariate model.
†
Totals equal 7298 unless otherwise indicated.
‡
Dashes indicate variables that were not included in the multivariate model.
§
n 0.