San Francisco Bay Warning Sign Evaluation Mallory Collins and Kelsie Scruggs CDPH
Sign Evaluation Purpose and Methods Information collected Baseline information on fish consumption practices Awareness of the sign Knowledge retained from sign Intent to change behavior Intent to share Information Methods Convenience sample of anglers (n=37) Interviewed in August and September 2012 Signs posted at least one week before interviewing Geographic coverage Interviewed in English, Spanish (1), Chinese (8)
Number of Questionnaires by Site Number of Site Name (County) Questionnaires Pier 7 (SF) 10 Oyster Point (San Mateo) 7 Candlestick Point (SF) 6 Berkeley Marina (Alameda) 4 Emeryville (Alameda) 3 Pier 14 (SF) 3 Richmond Marina Bay (Contra Costa) 1 Port View Park (Alameda) 1 Pier 1 (SF) 1 Vallejo Promenade (Solano) 1 Total 37
1 1 4 3 1 14 6 7
Questionnaires by Gender: 1 Female 36 Males
Do you eat fish from the Bay? How often do you eat fish from the Bay? 12 10 8 6 4 2 0 Once or more Less than once per week per month per year Never
Have you seen the sign?
Ot he Ha v e n Si g r be ish t F h en at c m em th en Se ’t en C ou Ab t t o Re ’t Do n n m at io or nf r I W ha om /W en at E m ica ls to sh Fi ch om W na nt eg Pr he s/C in W hi ox /T ry cu M er Do you remember what the sign was about? (some responses overlapped) 18 16 14 12 10 8 6 4 2 0
What types of fish are good to eat? Answered One or More Correctly Answered Partially Correctly 3 8 1 3 22 Answered Incorrectly Don’t Know Haven’t Seen the Sign
Number of Correct Responses per fish for “Good to Eat” Fish
What types of fish are NOT good to eat?
Number of Correct Responses per fish for “Not Good to Eat” Fish 18 16 14 12 10 8 6 4 2 0 Sharks Surfperches Striped Bass White Sturgeon White Croaker
Do You Remember Why the Sign Said Not to Eat Certain Fish? Who Do You Think the Sign is Intended For? People Fishing in SF Bay Everyone Other Don’t Know Haven’t Seen the Sign ? X 17 9 5 3
Will This Sign Influence Your Future Decisions? Haven’t Seen the Sign 3 Don’t Know 4 No 19 Yes 11 0 5 10 15 20 How Will Your Future Decisions Be Changed? Won’t eat as much of a certain “do not eat” fish Will follow the sign Will throw back “do not eat” fish 2 7 2
“Will you share this information with others? ” Yes No Don’t Know Haven’t Seen the Sign 21 11 2 3 What Information Would Be Shared
Interviewers Al Aparcio Lixia Zhang Olga Martinez Cindy Vo Erika Suarez Kelsie Scruggs Jenny Tang Mallory Collins Aida Negrón Rebecca Lakew
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