{"id":"W3034524550","doi":"10.2196/16953","title":"Validity and Usability of a Smartphone Image-Based Dietary Assessment App Compared to 3-Day Food Diaries in Assessing Dietary Intake Among Canadian Adults: Randomized Controlled Trial","year":2020,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Nutritional Studies and Diet","field":"Medicine","cited_by":108,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University; University of British Columbia; McGill University","funders":"","keywords":"Usability; Medicine; Randomized controlled trial; System usability scale; Cohen's kappa; Physical therapy; Gerontology; Computer science; Web usability; Statistics; Internal medicine; Mathematics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.01206828,0.002499883,0.004788986,0.001102266,0.002840706,0.002049217,0.002006931,0.003760228,0.006906981],"category_scores_gemma":[0.03008778,0.001439065,0.005873599,0.001676002,0.00316788,0.001771449,0.001120332,0.002746891,0.0006158128],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.009490831,"about_ca_system_score_gemma":0.01934603,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1512831,"about_ca_topic_score_gemma":0.1813958,"domain_scores_codex":[0.9874588,0.005155883,0.001714449,0.001949345,0.00267293,0.001048547],"domain_scores_gemma":[0.9840909,0.005087402,0.004122915,0.001001658,0.004060739,0.001636352],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.9184455,0.02440402,0.01018435,0.005492162,0.005436971,0.0000708855,0.001154875,0.0002597193,0.001150125,0.0001831265,0.001299159,0.0319191],"study_design_scores_gemma":[0.7456709,0.187754,0.05275495,0.0009523091,0.00809022,0.00003879843,0.00055071,0.0012717,0.0007012719,0.0002580886,0.001777543,0.0001794909],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9284727,0.005656022,0.001224796,0.0006908622,0.0009646906,0.0574172,0.002232903,0.0001481005,0.003192653],"genre_scores_gemma":[0.9370714,0.00306476,0.007312123,0.0008731104,0.0004539813,0.0481411,0.000879392,0.00003558628,0.00216856],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8487169,"threshold_uncertainty_score":0.3008051,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0599028457391155,"score_gpt":0.3634183004261035,"score_spread":0.303515454686988,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}