Table 3.

Characteristics of the participants at initial visit (n = 117)

Gender distribution	Sex			Frequency (n)		Percentage (%)
	Males			32		27.4
	Females			85		72.6
Age distribution	Age range			Frequency (n)		Percentage (%)
	18–24 years			6		5.1
	25–34 years			18		15.4
	35–44 years			29		24.8
	45–54 years			32		27.4
	> 55 years			32		27.4
Educational level	Type			Frequency (n)		Percentage (%)
	Primary school			3		2.6
	Secondary school			49		41.9
	Higher education (college/university)			65		55.6
Monthly income	Euros (€)			Frequency (n)		Percentage (%)
	< 500			26		22.2
	500–999			53		45.3
	1000–1500			22		18.8
	> 1500			7		6.0
	No reported income			9		7.7
Smoking status *Pack years can be calculated as follows: number of pack-years = number of cigarettes smoked per day/20) × number of years smoked	Smokers			Frequency (n)		Percentage (%)
	No			84		71.8
	Yes			33		28.2
	Pack years*			Frequency (n = 33)		Percentage (%)
	≤ 15			13		39.4
	> 15			20		60.6
	Have you ever thought to stop smoking? (n = 33)
	Answer			Frequency		Percentage (%)
	Yes			28		84.8
	No			5		15.2
	Do you have concerns that when you quit smoking you will gain weight? (n = 33)
	Answer			Frequency		Percentage (%)
	Yes			25		75.8
	No			8		24.2
AUDIT-C score	Scores			Frequency (n = 80)		Percentage (%)
	1			17		21.3
	2			14		17.5
	3			13		16.3
	4			10		12.5
	5			8		10
	6			9		11.3
	7			5		6.3
	8			1		1.3
	9			1		1.3
	10			2		2.5
Eating status	Typical diet					Frequency (n)			Percentage (%)
	Mainly vegetables					2			1.7
	Mainly meat (including poultry and fish)					12			10.3
	Mainly meat (including poultry and fish) and vegetables					12			10.3
	Variety of foods (e.g. fruits, vegetables, meat, dairy sweets, fatty and starchy foods)					91			77.8
	Reported meals/day					Reported snacks/day
	Number of meals		Frequency (n)	Percentage (%)		Number of snacks	Frequency (n)		Percentage (%)
	1		8	6.8		0	39		33.3
	2		56	47.9		1	28		23.9
	3		38	32.5		2	29		24.8
	4		11	9.4		3	11		9.4
	5		4	3.4		4	9		7.7
						> 4	1		0.9
	Mediterranean diet score					Frequency (n)			Percentage (%)
	≤ 5					28			23.9
	6–7					47			40.2
	8					19			16.2
	9					13			11.1
	≥ 10					10			8.5
Physical activity (PA)		No reported PA (participants)			PA < 150 min (participants)			PA ≥ 150 min (participants)
	Frequency (n)	28			38			51
	Percentage (%)	23.9			32.5			43.6
	Mean minutes	-			81.71 (SD = 30.5)			248.53 (SD = 82.7)
	Minimum minutes				20			150
	Maximum minutes				130			540