| Sloper et al. (1993) (15) | Descriptive study | 72 fathers | Questionnaire | Father psychological distress, Personality factors, coping strategies, life events and socio-economic disadvantage, child gender effect on father adaptation. |
| Gage et al. (2002) (16) | Qualitative study | 19 fathers | Focus groups discussion | Physical, emotional, and financial preparation of fathers in antenatal is an effective factor in father adaptation. |
| de Montigny et al. (2006) (17) | correlative study | 160 fathers | | Nurses’ practices contributed to fathers’ adaptation. |
| Premberg and Lundgren, (2006) (18) | Qualitative study | 10 fathers | Individual in-depth interview | Alternating between work and home, changing relationship towards partner, developing relationship with their child changing life, becoming a father |
| Ahmann (2006) (19) | Qualitative study | 14 fathers | Interview | Health care providers can increase their own awareness of paternal concerns and needs to best encourage paternal involvement. |
| Sevil et al. (2007) (20) | Descriptive study | 3750 fathers | Questionnaire | Age, occupation and health insurance educational level of fathers were significantly with father’s adaptation. |
| Fagerskiold et al. (2007) (21) | Qualitative study | 20 fathers | Individual in-depth interviews | Experiences of antenatal, anxiety, lack of Support, preparation for the postnatal period, postnatally involvement and practical information about baby-care are effective factors in father adaptation. |
| Premberg et al. (2008) (22) | Qualitative study | 10 fathers | Interview | Engagement and time spent alone with the child, participate in postnatal childbirth education and need based education effect on father adaptation. |
| Deave and Johnson (2008) (23) | Qualitative study | 20 fathers | Semi-structured interviews | Lack of support, prenatal preparation and information given in the antenatal period, child care is important for paternal adaptation. |
| Katz-Wise et al. (2010) (24) | Cohort study | 550 fathers | Questionnaire | Changes in gender-role, attitudes and behavior following the birth of a child may be attributed both to transitioning to fatherhood. |
| Solmeyer et al. (2011) (25) | correlative study | 133 fathers | Questionnaire | Positive temperaments of children effect in father adaptation. |
| Guzzo (2011) (26) | Cohort study | 3525 fathers | interview | Health provider support is affected fathers adaptation |
| Lee et al. (2013) (27) | Qualitative study | 39 fathers | Semi-structured interviews | Information especially in key domains of effective co-parenting and communication is necessary for the transition to parenthood |
| Carlson et al. (2014) (28) | Qualitative study | 47 fathers | Focus groups discussion | Fathers’ social location affecting adaptation of fathers |
| Lu et al. (2014) (29) | cross-sectional survey | 194 fathers | Questionnaire | Satisfaction with marriage, infant’s gender, postnatal education, culture, and policies need to be considered by health care support facilitate to fathers adaptation. |
| Kowlessar et al. (2015) (30) | Qualitative study | 10 fathers | semi-structured interview | Antenatal education classes can be effective for father’s adaptation. |
| Eskandari et al. (2015) (31) | Qualitative study | 15 fathers | Individual in-depth interviews | Participation in child caring, training programs and ample information are necessary for father’s adaptation. |
| Dollberg et al. (2016) (32) | Prospective longitudinal design | 43 fathers | questionnaire | Prenatal distress, and to some degree high risk pregnancy, are risk factors that may interfere with the early formation of parent-infant relationship. |
| Eskandari et al. (2016) (33) | Qualitative study | 17 fathers | In-depth semi-structured interviews | Self-efficacy and satisfaction of father, knowledge, attitude and skills of the fathers, and support, manage the new situation, accepting the realities of life, trusting in God, and hope for the future is necessary for paternal adaptation. |
| Eskandari et al. (2016) (34) | Qualitative study | 15 fathers | Semi-structured interview | Proficiency, skilled director, Faithful, hardworking, Self-management. |
| Yanes et al. (2017) (35) | Descriptive study | 62 fathers | Questionnaire | Increased hope, social support, coping efficacy is associated with high level of father’s adaptation; and uncertainty is associated with lower adaptation. |