Table 1.

Psychological concepts covered in systematic review of psychological antecedents of excess gestational weight gain ^$

Psychological construct	Themes $$
1. Affect	Stress
	Distress
	Adaptation/coping behavior
	Depression
	Anxiety
	Mood/Affect
	Emotions/Feelings
2. Cognitions
Related to weight gain	Self-esteem
	Self-efficacy
	Locus of control
	Body image
	Attitude
	Motivation
Related to dietary behavior	Eating attitudes
	Feeding behavior
	Knowledge
Personality	Personality traits related to Five Factor Model and Eysenck’s personality model
	Resilience
	Impulsivity

^$Search strategies related to these psychological constructs are provided in supporting information Additional file 1.

^$$Studies were excluded if they measured a psychiatric disorder.