“Keep Yourself Alive”: From Healthy Eating to Progression to Orthorexia Nervosa A Mixed Methods Study among Young Women in the Netherlands

Figures & data

Table 1. Demographics of the qualitative sample

Interviewee	Age	Nationality	Occupation	Diet
1	21	Spanish	Au pair	Vegetarian
2	21	British	Student	Vegan
3	28	Dutch	Researcher	Vegan
4	26	Austrian	Student	Flexitarian
5	19	Dutch	Student	Vegan
6	20	British	Student	Gluten and dairy free
7	22	British	Student	Vegan
8	30	Taiwanese	Student	Omnivore
9	31	Colombian	Student	Omnivore
10	20	Dutch	Student + breath coach	Vegan
11	19	Dutch/American	Student	Vegetarian
12	21	British/American	Student	Vegan

Figure 1. Bar chart reporting the types of diets followed by questionnaire respondents

Figure 2. Word cloud depicting the most frequent words associated with healthy eating that participants wrote on the board during the interviews

Table 2. Bio-psycho-social drivers to eat healthy found during interviews

Biological Drivers	Past diseases (e.g. gastritis)
	Food intolerances
	Preference for the taste of healthy food
	Preparation for a pregnancy
Psychological Drivers	Desire to take care of the body
	Concerns over animals
	Concerns over the environment
	Desire to have a fit and thin body
	Seeking identity in food choices
	Being a ‘perfectionist’
	Concerns about future chronic diseases
Social Drivers	Media
	Healthy eating documentaries
	Pressure from beauty ideals
	Influence of healthy eating blogs
	Social Relationships
	Influence of health conscious parents
	Influence of peers
	Desire to maintain a good appearance in adulthood/seniority
	Environment
	Influence of travels
	Influence of Dutch environment
	Influence of study/work environment

Figure 3. Plot reporting means and 95% confidence intervals of the scores obtained for each determinant by questionnaire respondents

Figure 4. Frequency distribution of ORTO-15 scores of questionnaire respondents. The dashed-red line indicates the threshold below which the ORTO-15 would have assessed orthorexia nervosa

Table 3. Regression analysis summary (ORTO-15)

Variable	B	SEB	β	t	p
(Constant)	37.63	0.94		40.10
Food intolerances	0.65	0.21	0.31	3.1	.003
Concerns about future chronic diseases	−0.79	0.26	−0.31	−3.1	.003
Pressure from beauty ideals	0.61	0.26	0.24	2.4	.02

Note: R²adjusted = 0.2

Table 4. Regression analysis summary (ORTO-6)

Variable	B	SEB	β	t	p
(Constant)	18.83	1.13		16.64
Desire to have a fit and thin body	−0.51	0.3	−0.20	−1.72	.09
Food intolerances	0.36	0.20	0.19	1.78	.08
Concerns about future chronic diseases	−0.40	0.27	−0.17	−1.50	.14

Note: R²adjusted = 0.09