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Table 4 Code tree of the conducted interviews with the pregnant women (n = 7) including the themes, categories, subcategories, codes, quotes and anonymised participant IDs

From: Smoking cessation in pregnant women using financial incentives: a feasibility study

CODE TREE - THEMES (CATEGORY)

SUBCATEGORY

CODE

QUOTE

PARTICIPANT ID1

Smoking

    

Positive influence on smoking cessation

Activity

Distraction

“Usually, I get up and then I know if I, when I get up and I have breakfast and do my things first, then um, I don’t have to smoke anymore”

U08

Taking distance

“... I’ve also decided not to go to friends for a while, this week anyway, so that I won’t be tempted either.”

U08

Eating

“… well in the first week you just have to try to distract yourself that way ...”

U11

Focus

“... when I have the ultrasound, that you can hear the heartbeat that I will become more aware of oh yes I really have something in my belly …”

M02

Hobby’s

“… hobby is photography, but uh, that’s also paused at the moment. But I plan to do that again.”

U05

Household

“Cleaning up, tidying up.”

U04

Avoidance

“Yes, especially with my boyfriend, when I, um, know that there is really nothing in the house. That there is nothing to look for ...”

U11

Aid with smoking cessation

Social

“Yes indeed, and my best friend also has 2 children, so you spend a lot of time together”

M02

Sport

“… pregnancy yoga first and I want to continue that later, …, you will fully relax yourself ...”

U05

Approach

“... without there being, um, a pointing finger ...”

S12

External support

“… because you have to stop (…) not only my environment but eeh, also people in the hospital ...”

U05

Request for help

“And now I wonder, maybe it would be like this (…) if I had perhaps had, then it might have been that I would have stopped longer”

U04

Internal support

“... my friend gets angry if I smoke. But the rest of the environment is not so judgmental and angry.”

U04

Nicotine replacements

“... I would like to use nicotine patches. But then if I do urine test you still have that, it still has, uh, nicotine in it.”

U04

Self

“I’m really like eeh, yes I want it myself and I really support it so ehm, I can do that ...”

U05

Negative influence on smoking cessation

Counteractions

Barrier

“... after that there was no sympathy for the fact that I did smoke ... he reacted so angry that we got into a fight.”

U04

Perseverance

“... not motivated enough to ...”

U04

To deny

“And then you no longer assume things that can go wrong.”

U08

Rushed

“... I’m already doing really well and then I’m going to seven milligrams, well and then I’m done with it and I overestimated myself in that.”

U04

Temptation

“... then I was with friends again and then, yes, give me a cigarette too, yes then you start again.”

U11

Reasons to smoke

Reward

“... because I no longer smoke weed, I still smoke, because it is so good that I did stop smoking weed. That’s my reward.”

U04

Relaxation

“... now let’s relax through ...”

U08

Smoking thoughts

“And then it was really every day that I still thought, I have to, I have to, I have to, I have to.”

U04

Routine

“Yes, really dinner … I used to have, did I have in the morning that I thought now I’m going to have a cup of coffee and a cigarette ...”

U05

Peace

“When I smoke a cigarette, I calm down too.”

U05

Stress

“Then I ended up in a stressful situation again, so yes. Then you soon reach for a cigarette again.”

U05

Addiction

“... because I have smoked now and then in between, you still have the taste for a bit ...”

M02

Boredom

“... when you are home alone … I found it very difficult not to smoke because it was so quiet.”

U08

Fancy

“... every now and then you just feel like a cigarette.”

U05

Smoking behaviour

Location

Inside

“… usually in the kitchen with a window open, but not in the room.”

U08

Outside

“Not even on the balcony, … just go outside.”

U05

Tobacco products

E-cigarette

“... electric. I did that for a while.”

U04

Cigarette

“I actually smoke cigarettes.”

U08

Weed

“... before my pregnancy, um, I smoked weed too ….”

U04

Smoking cessation

Attempt to quit

Fed up

It is, yes, just a shame …”

S01

Easy

“... it’s okay (...) I actually stopped quite easily.”

U04

Failed attempt

“... I did smoke a few times again, when I faced difficult times during my life, I started smoking again”

U05

Hard

“... it is very difficult for me to quit smoking.”

U08

Period

“... I quit on my own for 3 months.”

U05

Regret

“Because then I have those side effects and now, I also like well, I should have done this much sooner actually ...”

U04

Date of stopping

“... I have something like (...) I’m going to start quitting today ...”

U05

Successful attempt

“I pretty much stopped together with him, actually.”

M02

Proud

“... I am kind of proud but it doesn’t feel um, I am not very proud. Because I (...) now also like, well, I should have done this much earlier actually ...”

U04

Consequences

Used to

“... now that was really after 3 days that I really didn’t have that anymore.”

U04

Withdrawal symptoms

“Uh, yeah the first few days it was just that I was um, really cranky.”

U04

Symptomatic aid

“Yes, I still got a prescription from the midwife, um, yes, the midwife gave me, um, something.”

U04

Pregnancy

    

Pregnancy

 

Uncomplicated pregnancy

“Yes, I am happy to have a new pregnancy. (…) But if I hear more and more things are going well, then, um, I am more relaxed myself.”

U08

Preparations

“... well at home I’m still busy with the nursery of course and buying clothes and things like that, so I’m preparing well, yes.”

U05

Pregnancy ailments

“If something makes you nauseous all at once and then all at once, you’ve just eaten, well everything will come out again.”

U08

Social

    

Economic situation

 

Financial

“... because I have a benefit, after about two or 3 weeks (...) my money is normal, so low that I cannot, um, spend 20 euros on it because I still have 50 euros for groceries ...”

U04

Preliminary education

“... lower vocational education, but I have been working since I was 18...”

U05

Employment

“I just got back to work,so I’m going to work for the first time today.”

U08

Unemployed

“... and now I stopped working again ...”

U08

Person

 

Health

“Yes and eeh, then I got eeh, Crohn’s disease …, so I have to gradually rebuild everything a bit.”

U05

Deceased child

“... I also had a miscarriage before at 11 weeks ...”

M02

Personal

“And, well, I found those telephone contacts, um, that I found it really difficult to be open to others”

U04

Research

    

Test

 

Negative test

“... it is indeed negative ...”

U04

Positive test

“... we had expected it a bit, unfortunately, …, but there was no second line to be seen and that actually means that there is still cotinine in the urine”

U08

Reason to stop smoking

 

Purpose

“... I just know there is, a creature living inside me, a daughter, … that stands up, really number one for me, so that’s what I’m doing it for.”

U05

Child

“... then you also realize it more, there is something in my belly. There’s a creature in my belly.”

U05

Other

 

Interest

“I think it is very important, after all I have been through ...”

U08

Aim

“I was already looking at second-hand but now I’m like oh, maybe I can get a new one.”

U04

Feedback

“... that also feels good, I have also been in conversations that one is only talking and the other is just sitting around, so this is, I just like this.”

U05

  1. 1 ID = Identity Documentation, generated by the first letter of the hospital recruiting the pregnant women and the number representing the month in which they were born