Table 1 Outcome of author contact and critical appraisal (CA) of 31 studies that satisfied the initial inclusion criteria in a systematic review examining methods to estimate owned dog and cat populations
From: Methods used to estimate the size of the owned cat and dog population: a systematic review
| Literature identified1 | Clear methods2 | Result of attempt to contact author3 | Include after critical appraisal |
|---|---|---|---|
| Literature Searches | |||
| Acosta-Jamett et al. [33] | Yes | No | |
| Agostini et al. [34] | No | No author found | |
| Agostini et al. [35] | Yes | No | |
| AVMA[36] | Yes | Yes | |
| Brooks [37] | No | No author found | |
| Butler and Bingham[19] | Yes | Yes | |
| De Balogh et al. [38] | Yes | No | |
| Degregorio et al. [39] | No | No author found | |
| Dias et al. [40] | No | Author responded | No |
| Egenvall et al. [41] | No | No author found | |
| Gregory and Reid [42] | No | No author found | |
| Griffiths and Brenner [43] | Yes | No | |
| Ibarra et al. [44] | Yes | No | |
| Kitala et al. [45] | Yes | No | |
| Larrieu et al. [46] | No | No author found | |
| Lengerich et al.[47] | Yes | Yes | |
| Martin et al. [48] | No | No author found | |
| Morales et al. [49] | No | No author found | |
| Murray et al.[3] | No | Author responded | Yes |
| Matter [21] | No | No author found | |
| Okoh [50] | No | No author found | |
| Ortega-Pacheco et al.[51] | Yes | Yes | |
| Patronek et al. [52] | No | No author found | |
| Rangel et al. [53] | No | No author found | |
| Rautenbach et al. [54] | No | No author found | |
| Serafini et al. [4] | No | No author found | |
| Slater et al.[5] | Yes | Yes | |
| Subbaraj et al. [55] | Yes | No | |
| Google Searches | |||
| AVMA[1] | Yes | Yes | |
| Pet Plan [56] | No | No author found | |
| PFMA [26] | No | Author responded | No |