Table 8.

Social and physical environmental determinants, percentage of directional consistency and level of evidence

Conceptual category of determinant	Determinant	% Positively predictive of weight loss maintenance	% Not significantly predictive of weight loss maintenance	% Negatively predictive of weight loss maintenance	Level of evidence	Number of studies
Social environmental determinants
Social support	Change in emotional support, increase‡	100	0	0	Insufficient	n = 1
	Social support for behaviour, social support exercise, and social support exercise and diet during weight loss and maintenance	33.3	33.3	33.3	Insufficient	n = 3
	Family discouragement of healthy eating during weight loss and maintenance	0	0	100	Insufficient	n = 1
	Friends' discouragement of healthy eating during weight loss and maintenance	100	0	0	Insufficient	n = 1
	Exercise encouragement during weight loss and maintenance	0	0	100	Insufficient	n = 1
	Perceived need of support	100	0	0	Insufficient	n = 1
	Modification of the attitude of the entourage	100	0	0	Insufficient	n = 1
Weight‐related teasing	History of weight‐related teasing	0	0	100	Insufficient	n = 1
Physical environmental determinants
Availability of unhealthy food	Keep snack food in house	0	0	100	Insufficient	n = 1

^† Baseline measurement at the beginning of a weight loss intervention.

^†† Baseline measurement at the beginning of a weight maintenance cohort.

^††† Baseline measurements at the beginning of a long‐term weight loss intervention or at baseline entry in a weight maintenance intervention/cohort.

^‡ Increase in measurement from baseline of a weight loss intervention to the end of the follow‐up period.

^‡‡ Increase in measurement from baseline of a weight maintenance intervention/cohort to the end of the follow‐up period.

^‡‡‡ Increase in measurement from baseline of a weight loss intervention or weight maintenance intervention/cohort to the end of the follow‐up period.